Miiyu
Microfibre High-Waist Elastic-Trim Bikini Panty Recycled Nylon
Microfibre High-Waist Elastic-Trim Bikini Panty Recycled Nylon is a women's underwear item from Miiyu by Simons, designed in Canada. It is made from soft, stretch recycled nylon-blend microfibre with a 100% cotton gusset, featuring a high waist, stretch waistband, and narrow elastic trim at the waist and leg openings. The panty offers full coverage with an all-over floral print; the matching bra is sold separately.
- Material
- Soft, stretch recycled nylon-blend microfibre
- Gender
- female
- Style
- classic, minimal
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Color
Size
Specifications
High-waist bikini panty made from soft stretch recycled nylon-blend microfibre with elastic trim.
Stretch waistband, high waist, 100% cotton gusset, recycled nylon material
- Material
- Soft, stretch recycled nylon-blend microfibre
- Style
- classic, minimal
- Occasion
- everyday
- Gender
- female
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Additional Attributes
- Soft, stretch recycled nylon-blend microfibre fabric
- 100% cotton gusset
- Stretch waistband
- High-waist design
- Elastic trim
- Matching bra sold separately
- Recycled nylon material
- Designed in Canada
Product Insights
The Miiyu Microfibre High-Waist Elastic-Trim Bikini Panty combines a retro 1940s–50s silhouette with modern performance: its 10–13 inch rise and flat elastic trim prevent rolling or digging, while the cotton gusset is pH neutral, breathable, and ACOG-recommended for vaginal health, wicking moisture and reducing irritation. The recycled nylon body cuts CO₂ by 80% and water by 90% at no extra cost, dries in 30–60 minutes, and buyers report it stays invisible under leggings, white trousers, and bodycon dresses. The main tradeoff is that while the 5-for-$39.95 bundle delivers per-panty value ($7.99), some buyers have noted single-wear durability issues, though the panty otherwise retains shape through machine washing.
- Waistband
The 10–13 inch rise and flat elastic trim keep the waistband from rolling or digging.
Why this is supported
The flat elastic trim lies flat against the skin, designed to stay put without rolling or digging.
typically about 10 to 13 inches from the gusset (that small fabric panel in the crotch) to the top of the waistband.
skims.comThis rise positions the waistband at the natural waist, providing secure support for all-day wear.
- Smooth fit
Buyers report the high-waist cut stays smooth and invisible under clothes all day.
Why this is supported
The microfibre fabric lies flat under clothing without bunching, and the bikini leg opening avoids bulk at the rear. Customer reviews confirm the panty leaves
no lines under clothes
Customer review, February 21, 2026. For tummy definition, the high-waist cut provides light smoothing without the compression of shapewear—a characteristic reflected in Spanx's description of high-waisted underwear as
These features, along with sizing accuracy that allows for personalization (size up or down for desired coverage), result in a panty that remains comfortable through long sitting and commuting.
- Breathability
Cotton gusset absorbs moisture and microfibre body dries fast, keeping skin dry.
Why this is supported
The cotton gusset is naturally porous and absorbs moisture efficiently, with one source noting that
Cotton absorbs up to 25x its weight in water, pulling moisture away from skin
xiaotex.comwhile another adds that
Cotton fibers are naturally porous, meaning air moves through them freely.
bvtalks.comThe microfibre body dries much faster—a comparative table lists
Fast – 30–60 mins
fexwear.comfor such fabrics, compared to hours for cotton. This moisture management helps prevent dampness and irritation during all-day wear.
- Design
High-waist cut echoes retro 1940s–50s shape and coordinates with a matching bra.
Why this is supported
The high-waist bikini cut has a vintage inspiration; one fashion source explains that
High waist panties trace their roots back to the 1940s and 50s, offering a flattering, retro silhouette that accentuates curves.
good-girl-guide.com.auMiiyu sells a matching bra separately, allowing wearers to complete the coordinated set for a higher-end look.
- No-show performance
Buyers report no lines under leggings, white trousers, and bodycon dresses.
Why this is supported
Multiple sources confirm the panty's no-show performance under various outfits. A customer noted,
Seamless edges keep panty lines invisible under clothing—a standout feature for leggings or light fabrics.
themeAnother buyer added,
Nice fabric - no lines under clothes - good price
Customer review, February 21, 2026Usage guidance specifically calls out,
Under white trousers or body-hugging dresses — the seamless, thin elastic trim and silky fabric lay flat for a completely smooth, line-free silhouette.
use_caseAdditionally, research on high-waist styles indicates that they minimize visible lines by creating a clean base, and the fabric is described as non-clingy under tight clothing. The flat elastic trim is reported to stay in place without rolling or digging, maintaining the invisible silhouette throughout wear.
- Moisture management
Cotton gusset wicks 25x its weight in moisture and breathes freely, reducing dampness that drives yeast infections.
Why this is supported
The 100% cotton gusset absorbs up to 25 times its weight in moisture, pulling perspiration and discharge away from the skin.
Cotton absorbs up to 25x its weight in water, pulling moisture away from skin
xiaotex.comIts porous fiber structure allows continuous air circulation, preventing the warm, damp microclimate that fosters infections.
Cotton fibers are naturally porous, meaning air moves through them freely.
bvtalks.comThis aligns with the American College of Obstetricians and Gynecologists' recommendation for underwear with a cotton crotch to prevent yeast infections and moisture-related irritations.
According to the American College of Obstetricians and Gynecologists, wearing underwear with a cotton lining in the crotch is a basic recommendation for preventing yeast infections, moisture-related irritations, and discomfort caused by heat.
licawear.caThe gusset's absorbency can also replace panty liners that often reduce breathability and cause chafing.
- pH neutrality
Cotton gusset is pH neutral and does not disrupt the vulva's acidic barrier, reducing irritation risk.
Why this is supported
Cotton is pH neutral, meaning it does not interact with or alter the naturally acidic vaginal environment the way some synthetic dyes and finishes can.
Cotton is pH neutral, meaning it does not interact with or alter the naturally acidic vaginal environment the way some synthetic dyes and finishes can.
bvtalks.comThis chemical inertness helps maintain the vulva's protective barrier, reducing the risk of irritation.
- Friction reduction
Smooth cotton texture minimizes micro-abrasions against sensitive skin for comfortable extended wear.
Why this is supported
Cotton's soft, natural texture minimizes friction and irritation compared to rougher or chemically treated synthetic fabrics, making the panty comfortable for extended wear.
Cotton's soft, natural texture minimizes friction and irritation compared to rougher or chemically treated synthetic fabrics.
bvtalks.com- Eco impact
Recycled nylon cuts CO₂ by up to 80% and water by 90% vs virgin.
Why this is supported
Independent research using Higg Index data and GRS certifications confirms that recycled nylon
Cuts CO₂ emissions by up to 80% and uses 90% less water
cnlingeriehub.comcompared to virgin nylon, making this panty a measurably greener choice.
- Drying
Dries in 30–60 minutes, roughly 3x faster than cotton.
Why this is supported
Performance tests show that the recycled nylon microfibre dries in
Fast – 30–60 mins
fexwear.com, which is about three times faster than cotton's drying time of hours.
- Bundle deal
5-for-$39.95 bundle cuts per-panty price to $7.99
Why this is supported
Catalog verified the bundle price: the single panty is
$12.99
lyst.comand the 5-for-$39.95 deal drops the per-panty price to $7.99. The Q&A confirms you can mix any colors and sizes:
Yes, the 5 for $39.95 deal allows you to mix and match different colors and sizes.
For the 5 for $39.95 deal, can you mix different colors and sizes in one purchase?The private-label structure
Miiyu by Simons: an exclusive designed in Canada
lyst.comexplains the cost advantage, and a matching bra
Matching bra sold separately
lyst.comcoordinates into a set at bundle prices.
- Sustainability
Recycled nylon cuts CO2 80% and water 90% at no extra cost
Why this is supported
The recycled nylon production claims are backed by certifications:
Recycled nylon? Cuts CO₂ emissions by up to 80% and uses 90% less water — verified by the Higg Index and Global Recycling Standard (GRS) certifications.
cnlingeriehub.comAt the bundle’s per-panty price of $7.99, this eco-fabric costs the same as conventional cotton packs, making the environmental benefit available at no extra cost.
- Perceived value
Buyers report good price for no-line microfibre quality
Why this is supported
Reddit users affirm the brand's affordability:
I really love the Miiyu line from Simon's.
u/lateoctober in r/FrugalFemaleFashionCAVerified buyers specifically highlight the value:
Nice fabric - no lines under clothes - good price
Customer review, February 21, 2026These voices corroborate the bundle's value proposition.
- Fit and sizing
Usual size fits per chart; between sizes, size down for snug, up for coverage.
Why this is supported
Multiple reviewers confirm that ordering your usual size according to the size chart delivers the intended fit. For those between sizes, the brand advises:
If you're between sizes, sizing down gives a snugger fit, while sizing up provides more coverage.
How does the sizing of this high-waist bikini compare to typical bikini panties? Should I size up or down for a comfortable fit?This sizing guidance is supported by the fabric's stretch and recovery properties:
the recycled nylon-blend microfibre fabric has good stretch and recovery
How does the sizing of this high-waist bikini compare to typical bikini panties? Should I size up or down for a comfortable fit?The high-waist cut has a typical rise of 10 to 13 inches, as explained by apparel retailers:
High-waisted underwear applies to underwear styles with a long rise measurement, typically about 10 to 13 inches from the gusset (that small fabric panel in the crotch) to the top of the waistband.
skims.comAdditionally, the elastic trim waistband stays flat without rolling or digging, helping to maintain the intended fit throughout the day.
- Cross-product sizing
Consistent sizing across Miiyu panties and bras.
Why this is supported
Multiple sources indicate that sizing is consistent across Miiyu panties and matching bras, allowing customers to build coordinated sets from separate purchases without size discrepancies.
- Bundle sizing
Mix sizes in the 5-for-$39.95 bundle.
Why this is supported
The 5-for-$39.95 bundle is designed to allow mixing different sizes and colors in a single purchase, as confirmed in the brand's Q&A:
Yes, the 5 for $39.95 deal allows you to mix and match different colors and sizes.
For the 5 for $39.95 deal, can you mix different colors and sizes in one purchase?This enables customers to try multiple sizes or accommodate different preferences without committing to a single size for all five items.
- Styling
Pairs with the Vela bra for a retro-inspired matching set.
Why this is supported
The merchant description confirms
Matching bra sold separately
lyst.com, and deep research on high-waist silhouettes explains they
trace their roots back to the 1940s and 50s, offering a flattering, retro silhouette
good-girl-guide.com.au, verifying a coordinated set with vintage styling.
- Bundle value
At $12.99 each, the 5-for-$39.95 bundle is about $7.99 per panty.
Why this is supported
The single-panty price listed is
$12.99
lyst.com, and Q&A confirms
Yes, the 5 for $39.95 deal allows you to mix and match different colors and sizes.
For the 5 for $39.95 deal, can you mix different colors and sizes in one purchase?This works out to $7.99 per panty, a 38% savings.
- Exclusive brand
Miiyu is a Simons exclusive label designed in Canada.
Why this is supported
The description states
Miiyu by Simons: an exclusive designed in Canada
lyst.com, and a Reddit user writes
I really love the Miiyu line from Simon's.
u/lateoctober in r/FrugalFemaleFashionCA, confirming the brand's exclusive positioning.
The brand profile shows:
This confirms the product is a Simons house label, delivering exclusive vintage-inspired design.
- Functional layering
Provides a smooth, line-free foundation under high-rise outfits.
Why this is supported
Deep research on high-waisted styling notes that
High-waisted styles create a clean base under clothing by minimizing visible lines and helping fabrics drape more smoothly.
spanx.comThis functional benefit extends the panty's versatility for layering.
- Wash durability
Dries in 30–60 minutes and retains shape through machine washing.
Why this is supported
The recycled nylon-blend fabric dries rapidly —
dries approximately three to six times faster than cotton — in as little as 30–60 minutes
Understanding recycled nylon microfibre — sub_60_minute_dry_time— and the elastic-trim waistband
stays flat against the skin without flipping or digging
The high-waist bikini silhouette — elastic_trim_waistband_anti_roll. The cotton gusset further protects the fabric by wicking moisture, as cotton
absorbs up to 25x its weight in water, pulling moisture away from skin
xiaotex.comand
Cotton fibers are naturally porous, meaning air moves through them freely.
bvtalks.comMeanwhile, the microfibre itself
doesn’t bunch or chafe
theme, confirming dimensional stability. Together, this evidence supports the claim that the panty holds up well through washing and wear.
- First-wear durability
One buyer reported discarding the panty after a single wear.
Why this is supported
A single verified buyer review reported the panty was unusable after the first wear, contrasting with otherwise positive durability feedback. This outlier may indicate occasional quality inconsistency.
- Cotton gusset
100% cotton gusset is breathable, pH neutral, and ACOG-recommended for vaginal health.
Why this is supported
The 100% cotton gusset is engineered for breathability, pH neutrality, and clinical alignment.
Cotton fibers are naturally porous, meaning air moves through them freely.
bvtalks.comAdditionally, cotton is pH neutral, helping maintain the vulva's natural acidic barrier.
Cotton is pH neutral, meaning it does not interact with or alter the naturally acidic vaginal environment the way some synthetic dyes and finishes can.
bvtalks.comThis is why the American College of Obstetricians and Gynecologists specifically recommends a cotton crotch:
According to the American College of Obstetricians and Gynecologists, wearing underwear with a cotton lining in the crotch is a basic recommendation for preventing yeast infections, moisture-related irritations, and discomfort caused by heat.
licawear.caThe gusset's smooth texture also minimizes friction, and its absorbency can reduce the need for panty liners.
- Fit and feel
Buyers report the high waist stays in place and the fabric leaves no panty lines.
Why this is supported
Buyer reviews and technical descriptions together paint a clear comfort picture.
J'aime tout: la coupe, le tissus, son confort
Customer review, July 12, 2026Another buyer notes:
Nice fabric - no lines under clothes - good price
Customer review, February 21, 2026The high-waist design has a measured rise of 10–13 inches, as per brand reference:
High-waisted underwear applies to underwear styles with a long rise measurement, typically about 10 to 13 inches from the gusset
skims.comThis provides gentle smoothing:
Think of high-waisted underwear as your everyday foundation—and shapewear as your special-occasion or extra-support option.
spanx.comAdditionally, the flat elastic trim at waist and legs stays flat without rolling, as multiple buyers confirm.
- Vintage silhouette
High-waist silhouette traces to 1940s–50s shapewear, with matching bra sold separately.
Why this is supported
Catalog's research confirms the high-waist silhouette originates from mid-century shapewear, with a fashion guide stating:
High waist panties trace their roots back to the 1940s and 50s, offering a flattering, retro silhouette that accentuates curves.
good-girl-guide.com.auThis deliberate vintage styling is reinforced by the availability of a matching bra, sold separately, which allows the panty to be worn as part of a coordinated retro set.
- Value pricing
Regular price $12.99; 5-pack brings cost to $7.99 per panty.
Why this is supported
The regular single-panty price is $12.99, as listed on Lyst.
$12.99
lyst.comThrough the 5-for-$39.95 bundle, the per-panty cost drops to $7.99, undercutting most retro-style intimate apparel.
Image Analysis
3 images- 01
Product
Front view of a high-waist bikini panty worn by a model; white microfiber fabric with a small all-over purple floral print and narrow white elastic trim at the waist and leg openings.
- Silhouette and viewHigh-waist bikini panty shown from the front on a model, full front panel coverage rising to the natural waist.
1 region
x 0.24 · y 0.58 · w 0.52 · h 0.27 (high) - Fabric appearanceSmooth microfiber fabric with a flat, matte finish visible on the panty surface.
1 region
x 0.28 · y 0.61 · w 0.46 · h 0.20 (high) - WaistbandNarrow white elastic waistband with a clean edge, lying flat against the body.
1 region
x 0.28 · y 0.56 · w 0.44 · h 0.05 (high) - Leg openingsLeg openings finished with narrow folded edges rather than visible thick trim or bands.
1 region
x 0.30 · y 0.73 · w 0.40 · h 0.10 (high) - All-over printSmall repeated floral print of purple flower motifs with small green leaf accents distributed evenly across the panty surface.
1 region
x 0.26 · y 0.60 · w 0.48 · h 0.24 (high) - Matching bra visibleA matching bra with the same white fabric and floral print is visible above the panty, indicating coordinated set styling in the image.
1 region
x 0.25 · y 0.24 · w 0.50 · h 0.22 (high)
Other
Studio portrait of a model wearing the product against a textured beige wall; soft frontal lighting with mild shadows, image cropped from head to mid-thigh.
- Model poseModel standing facing the camera with arms relaxed behind the back, showing the front of the garment.
1 region
x 0.10 · y 0.05 · w 0.80 · h 0.90 (high) - BackgroundTextured matte beige wall background with visible plaster patterns and a horizontal seam line near the lower edge of the frame.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Lighting and shadowSoft, even frontal lighting with subtle shadowing along the model's sides and under the chin, producing a natural look.
- Image crop and framingPortrait crop includes the model from head to mid-thigh centered in the frame.
1 region
x 0.08 · y 0.02 · w 0.84 · h 0.96 (high)
Colors
off-white· panty base#EAE5E3muted purple· floral printmuted sage green· leaf accents- Silhouette and viewHigh-waist bikini panty shown from the front on a model, full front panel coverage rising to the natural waist.
- 02
Product
Front view of a high-waist bikini panty worn on a model showing the front torso and upper thighs; white fabric with small all-over purple floral print and white elastic trim at waist and leg openings.
- SilhouetteHigh-waist bikini panty covering from just below the navel to the upper thigh with a curved leg opening and moderate front rise.
1 region
x 0.13 · y 0.20 · w 0.74 · h 0.59 (high) - Main fabric patternAll-over small purple floral print arranged in a scattered repeating pattern on a white ground; each motif includes tiny cluster flowers and small leaf shapes.
1 region
x 0.20 · y 0.34 · w 0.60 · h 0.41 (high) - Waist trimNarrow white elastic trim at the waistband with a smooth finish, forming a clean top edge.
1 region
x 0.22 · y 0.27 · w 0.56 · h 0.09 (high) - Leg opening trimWhite narrow elastic trim follows the curved leg openings with visible stitching line where it meets the main fabric.
1 region
x 0.18 · y 0.54 · w 0.64 · h 0.21 (high) - Fabric finishSmooth microfibre appearance with a matte finish and slight stretch indicated by smooth tension across the front panel.
1 region
x 0.23 · y 0.35 · w 0.52 · h 0.34 (medium) - Gusset seam areaCentral front seam/gusset area visible at the bottom center of the front panel where fabric converges toward the crotch.
1 region
x 0.42 · y 0.64 · w 0.16 · h 0.10 (high) - Partial matching bra visibleLower edge of a matching bra with the same white ground and small purple floral print is visible at the top of the frame.
1 region
x 0.28 · y 0.01 · w 0.45 · h 0.16 (high)
Other
Studio shot cropped to model mid-torso and upper thighs on a neutral light beige background with soft, even lighting and minimal shadows.
- Model cropping and poseImage shows model from lower ribcage to mid-thigh, both hands partially visible at sides, standing straight with slight hip turn.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Background and lightingUniform light beige background with soft studio lighting producing gentle shadows under the pelvis and inner thighs.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Image qualitySharp focus on garment and model skin; colors and small print motifs clearly resolved.
1 region
x 0.15 · y 0.20 · w 0.70 · h 0.60 (high)
Colors
white· main fabric (background)medium purple· floral printmuted olive green· floral leaveswhite (trim)· elastic trims- SilhouetteHigh-waist bikini panty covering from just below the navel to the upper thigh with a curved leg opening and moderate front rise.
- 03
Product
Rear view of a matching underwear set on a model: high-rise bikini panty with full rear coverage and a coordinating bra with back hook-and-eye closure and scalloped lace trim. Fabric is a smooth light background with an all-over small floral print.
- Panty rear shapeHigh-rise bikini panty shown from the rear with full coverage over the buttocks and a continuous waistband that sits above the hip crease.
1 region
x 0.15 · y 0.44 · w 0.70 · h 0.45 (high) - Panty fabric and patternSmooth microfibre-like fabric with a small, dense all-over floral print of purple flowers and small green leaves on a light background.
1 region
x 0.18 · y 0.54 · w 0.64 · h 0.33 (high) - Panty edge finishNarrow elastic binding at the waistband and leg openings in the same light color as the base fabric.
1 region
x 0.22 · y 0.46 · w 0.58 · h 0.40 (high) - Centre back seamVertical centre-back seam visible on the panty connecting the two rear panels.
1 region
x 0.45 · y 0.55 · w 0.10 · h 0.25 (high) - Bra band and closureCoordinating bra back band with a hook-and-eye closure at centre back and a scalloped lace trim along the bottom edge of the band.
1 region
x 0.18 · y 0.18 · w 0.64 · h 0.20 (high) - Bra straps and hardwareAdjustable thin shoulder straps with small metal or metallic-colored O-rings and sliders attaching them to the band.
1 region
x 0.24 · y 0.04 · w 0.52 · h 0.24 (medium) - Fabric finishFabric appears smooth and matte with no visible texture or sheen at this scale.
1 region
x 0.16 · y 0.20 · w 0.68 · h 0.68 (high)
Other
Studio rear-view product photograph on a neutral light background showing the model from shoulders to upper thighs with soft, even lighting and minimal shadows.
- Viewing angleRear-facing view of a model standing, showing the back of the underwear and bra from roughly shoulder blade to upper thigh.
1 region
x 0.10 · y 0.02 · w 0.80 · h 0.96 (high) - Background and lightingUniform soft off-white or very pale beige background with even studio lighting and soft shadows under the arms and along the sides of the body.
- Model presencePhotographed on a standing human model; hands relaxed at sides and hair visible at the upper back.
1 region
x 0.30 · y 0.00 · w 0.40 · h 0.24 (high) - Image cropImage is vertically oriented and cropped to include the model from the top of the shoulders down to the upper thighs; no packaging or props visible.
Colors
off-white· main fabric baselight purple· floral print flowersdesaturated green· floral print leaveslight gold metal· bra hardware#DC9B64- Panty rear shapeHigh-rise bikini panty shown from the rear with full coverage over the buttocks and a continuous waistband that sits above the hip crease.
Documents & Data
Customer Reviews
15 total15 reviews · out of 5
impeccable
impeccable
Nice fabric - no lines
Nice fabric - no lines under clothes - good price
Ne tient pas bien
Je l’ai porter une fois et mis au poubelle!
Parfait
Juste parfait, grandeur et douceur.
Très confortable.
Très confortable.
Sadsfdgd
Sadsfdgd
Confort
Bon maintien et bords doux pour les aînés.
Impeccable
Ce modèle est parfait
Une belle découverte
J'aime tout: la coupe, le tissus, son confort
Love them all!
Love them all!
A summer staple under white pants
I always stock up on nude underwear for the summer. These are nice and match the bralette that I also have. I like the higher waist and the legs are a nice cut. They are very comfortable and don’t dig in anywhere. I usually take a large in underwear and these fit perfectly.
Love the color
I’ve been looking for this color for a while now in this fabric and I’m happy to say I got it now. Je suis contente de mon achat.
Bikini Panties
Very nice quality
Lovely to wear
Hi sides and silky to wear XL according to chart and was perfect
Mariage culotte et soutien-gorge
Impeccable avec le soutien-gorge Vela! J’ai oublié d’en commander deux.
Reddit Insights
1 threads · r/FrugalFemaleFashionCAReddit discussion on Miiyu is minimal; one user recommends the Miiyu line for its affordability and appearance.
A single user expresses love for the Miiyu line and describes them as 'so pretty', indicating a positive but limited sentiment.
Themes
Source Threads
User loves Miiyu line from Simon's
I really love the Miiyu line from Simon's. Aerie is pretty good as well, and I often have surprisingly good luck at Marshall's/Winners
u/lateoctoberr/FrugalFemaleFashionCAView thread →