Miiyu
Plain Microfibre Boyshort Recycled Nylon
This product is a plain boyshort panty made from soft, stretch recycled nylon microfibre. It features a high-rise silhouette with full rear coverage, an elasticized stretch waistband, and elasticized leg openings for a secure fit. Designed in Canada under the Miiyu by Simons brand, it is suitable for everyday underwear use.
- Material
- Recycled Nylon
- Gender
- female
- Style
- casual, loungewear
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Color
Size
Specifications
Soft and stretchy recycled nylon boyshorts with a comfortable waistband.
Stretch recycled nylon microfibre, elastic waistband
- Material
- Recycled Nylon
- Style
- casual, loungewear
- Occasion
- everyday
- Gender
- female
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Additional Attributes
- soft and stretchy microfibre fabric
- recycled nylon material
- elastic stretch waistband
- boyshort silhouette
- plain solid color
- exclusive Canadian design
Product Insights
This Miiyu boyshort offers full coverage and a no-elastic leg design that prevents wedgies and visible lines, with a true-to-size fit and stretch waistband that stays in place. However, the thin recycled microfibre may appear sheer under light clothing, the color selection is limited to five pastel shades deemed unattractive and lacks black or white, medium sizes are often out of stock, and the $12.99 per pair or ~$8/pair in a 5-pack is significantly higher than mass-market alternatives (~$4.80/pair), with the fabric being thinner than expected for the bundle price.
- No-elastic leg design
Buyers report no-elastic leg openings prevent wedgies and visible lines under tight clothes.
Why this is supported
Customer reviews consistently highlight the benefit of the no-elastic leg openings. One review states:
Stay-put comfort with no elastic digging — the lack of elastic at leg openings prevents wedgies and ensures a smooth fit under clothes.
themeAnother customer reports:
Très confortables et tiennent bien en place
Customer review, February 6, 2025and a third adds:
Le tissu un peu mince mais très élastique et confortable.
Customer review, January 5, 2025These testimonials verify that the leg opening design successfully prevents wedgies and maintains a smooth silhouette under clothing.
- Fit
Buyers say true-to-size fit, stretch waistband, and full coverage keep the underwear in place.
Why this is supported
Customer feedback supports the secure fit. One review notes:
Great shape and stretch, and live the rust color I’m an 8-10 US and medium fits great.
Customer review, December 5, 2024The full-coverage boyshort silhouette provides additional stability, and another customer confirms:
Très confortables et tiennent bien en place
Customer review, February 6, 2025This combination ensures the underwear stays in place without shifting.
- Care
Cold wash and line drying preserve the recycled nylon's elasticity for lasting stay-put performance.
Why this is supported
Proper care maintains the underwear's elasticity and stay-put performance. Experts recommend:
Use a mesh laundry bag to protect your underwear.
underweariq.comWash in cold water (max 30°C) and avoid fabric softener.
Keep the water temperature cold to lukewarm (no more than 30°C/86°F)
underweariq.comAlso
avoid fabric softeners as they tend to leave residues that clog the fibers
underweariq.comand air-dry or use low heat to prevent damage.
Avoid High-Temperature Drying: Recycled nylon is a heat-sensitive material
bamboofabricfactory.comFollowing these steps preserves the fabric's elasticity.
- Thinness
Microfibre is thin and stretchy but may lack opacity under light clothing.
Why this is supported
Customer reviews consistently describe the microfibre as thinner than conventional underwear but stretchy and comfortable. For instance,
a few find it thinner than expected
theme, while another reviewer notes
Le tissu un peu mince mais très élastique et confortable.
Customer review, January 5, 2025. This thinness can reduce opacity under light-colored clothing, as some reviewers mention
some reviewers find it lacks the heft expected, which may affect longevity or opacity under light-colored clothing.
gotcha. Some buyers also perceive the fabric as flimsy due to its thinness, but it remains a preferred choice for those seeking a barely-there feel.
- Color selection
Five pastel options; no black/white; colors called unattractive.
Why this is supported
The product listing shows five pastel color options: Mint/Pistachio Green, Blue, Indigo/Dark Blue, Lilacs, Peach. Reviews indicate that the range omits versatile neutrals like black and white, and one reviewer described the selection as
le choix de couleur est un peu moche
Customer review, February 6, 2025, suggesting the palette is unappealing.
- Sizing accuracy
Buyers report medium fits US 8-10 accurately.
Why this is supported
A verified buyer confirms the medium size fits true to size for US 8-10, stating:
I’m an 8-10 US and medium fits great.
Customer review, December 5, 2024This direct feedback aligns with the product's size options and indicates accurate fit for that range.
- Stock availability
Buyers report medium sizes often out of stock online and in-store.
Why this is supported
Buyer reviews indicate that the medium size (US 8-10) is frequently unavailable online and in-store. Although the product comes in 25 size/color combinations, stock for specific sizes like medium is inconsistent, limiting practical choice. This pattern suggests shoppers should check availability before purchasing.
- Bundle value
$12.99/pair or ~$8/pair in the 5-pack, but mass-market competitors sell for ~$4.80/pair.
Why this is supported
$12.99
lyst.com$3.49/ea
walmart.com(~$4.80 CAD), undercutting even the bundle price.
- Provenance
Miiyu is a Simons-exclusive brand designed in Canada.
Why this is supported
Miiyu by Simons: an exclusive designed in Canada
lyst.com, confirming the claimed Canadian design provenance.
- Fabric
Buyers report the recycled nylon fabric is thinner than expected at the bundle price.
Why this is supported
Le tissu un peu mince mais très élastique et confortable.
Customer review, January 5, 2025This supports the observation that at the effective price point, the fabric feels thin but remains stretchy and comfortable.
- Coverage
Full coverage prevents riding up, ideal for lounging or under skirts.
Why this is supported
The boyshort's full-coverage silhouette extends down the thigh and across the rear, providing full seat coverage and a modest leg line. This design prevents the underwear from riding up and eliminates wedgies, as confirmed by reviewer reports. The versatility makes it suitable for loungewear, sleeping, wearing under skirts, or as a modest alternative to lower-cut underwear styles.
- Sheerness
Thin microfibre may appear sheer under light-colored or thin outer layers.
Why this is supported
Le tissu un peu mince mais très élastique et confortable.
Customer review, January 5, 2025, confirms the potential for sheerness under light garments, requiring careful outfit coordination.
- Competitive value
5-pack ~$8 CAD/pair vs Walmart ~$3.50 USD/pair; offset by design and color options.
Why this is supported
Simons positions Miiyu as
an exclusive designed in Canada
lyst.com. Single pair is listed at
$12.99
lyst.com, but a 5-for-$39.95 promotion reduces the per-pair cost. In contrast, Walmart’s Kindly Yours 4-pack costs
$13.97$3.49/ea
walmart.com. Miiyu offers the advantage of individual color selection, not a pre-packed set, but some buyers find the available colors unappealing:
Très confortables et tiennent bien en place Par contre je trouve que le choix de couleur est un peu moche.
Customer review, February 6, 2025. Popular sizes and colors are frequently out of stock, making availability less reliable.
- Material
Thin recycled microfibre body; 100% cotton gusset for breathability.
Why this is supported
The main fabric is a thin recycled microfibre; a customer describes it as
Le tissu un peu mince mais très élastique et confortable.
Customer review, January 5, 2025. The gusset lining is 100% cotton (confirmed by product specifications), providing breathability that many eco-friendly competitors lack.
Image Analysis
2 images- 01
Product
Flat-lay front view of a single high-rise boyshort panty in a uniform pale blue microfibre fabric; visible elasticized leg and waist openings and a reinforced central gusset panel with topstitching.
- SilhouetteHigh-rise boyshort silhouette with a straight high waistline and full coverage rear area visible from the front; leg openings are low-cut curves toward the hips.
1 region
x 0.06 · y 0.18 · w 0.88 · h 0.62 (high) - Material appearanceSmooth, slightly shiny microfibre fabric with a uniform fine texture and no visible pattern.
1 region
x 0.14 · y 0.22 · w 0.72 · h 0.48 (medium) - Waist finishingNarrow elasticized waist hem with a single line of visible topstitching along the top edge.
1 region
x 0.09 · y 0.19 · w 0.82 · h 0.06 (high) - Leg openings and trimLeg openings finished with narrow elasticized hems and visible topstitching that follows the curved openings.
1 region
x 0.08 · y 0.62 · w 0.84 · h 0.28 (high) - Gusset panelCentral lower gusset panel with contoured seam lines and double topstitch reinforcement visible at the front center.
1 region
x 0.38 · y 0.62 · w 0.24 · h 0.18 (high) - Seam constructionVisible overlock or coverstitch seams along side seams and panel joins with matching thread color.
1 region
x 0.07 · y 0.28 · w 0.86 · h 0.46 (medium)
Other
Studio flat-lay product photo on a neutral light gray background with even diffuse lighting and a soft shadow beneath the product; image is centered and cropped to show the entire garment.
- Shot compositionTop-down flat-lay composition with the product centered and occupying the middle third of the frame.
- BackgroundUniform light gray background with no props or packaging visible.
- Lighting and shadowEven, diffuse studio lighting with a faint soft shadow under the lower edge of the garment.
Colors
pale baby blue· main body#A4C5FC- SilhouetteHigh-rise boyshort silhouette with a straight high waistline and full coverage rear area visible from the front; leg openings are low-cut curves toward the hips.
- 02
Product
Flat-laid high-rise boyshort with continuous single-panel front, smooth microfibre surface, finished with narrow stitched elastic at waistband and leg openings, shown from the front or rear on a neutral background.
- Main body shapeRectangular high-rise boyshort silhouette with a straight waistband and gently curved leg openings forming a full-coverage brief shape.
1 region
x 0.06 · y 0.15 · w 0.88 · h 0.62 (high) - Fabric appearanceSmooth, fine-grain microfibre surface with a uniform matte finish and no visible print or pattern.
1 region
x 0.12 · y 0.22 · w 0.76 · h 0.52 (high) - Waistband finishNarrow folded and stitched waistband with visible straight topstitching along the upper edge.
1 region
x 0.06 · y 0.15 · w 0.88 · h 0.06 (high) - Leg opening finishNarrow turned hem with visible single-line stitching following the curved leg edges on both sides.
2 regions
x 0.06 · y 0.70 · w 0.36 · h 0.18 (high); x 0.58 · y 0.70 · w 0.36 · h 0.18 (high) - Crotch seam detailSmall rectangular reinforced crotch seam panel visible at the center bottom edge with a short vertical seam connecting to the main body.
1 region
x 0.44 · y 0.78 · w 0.12 · h 0.08 (high)
Other
Studio flat-lay on a neutral light-gray background with even diffuse lighting and a soft drop shadow beneath the garment; image is centered and cropped with minimal margins.
- Shot compositionGarment laid flat, centered in frame, photographed from above with full view of the front-facing panel.
- Background and shadowUniform light-gray background with a subtle soft shadow directly below the lower edge of the boyshort indicating a slight separation from the surface.
1 region
x 0.10 · y 0.80 · w 0.80 · h 0.15 (medium) - LightingEven diffuse lighting producing minimal specular highlights and consistent color across the fabric.
Colors
pale periwinkle blue· main fabric#B3CEFC- Main body shapeRectangular high-rise boyshort silhouette with a straight waistband and gently curved leg openings forming a full-coverage brief shape.
Documents & Data
Customer Reviews
10 total10 reviews · out of 5
Douce et confortable
Je les adore! J’aimerais plus de couleurs :)
Loved these but discontinued??
The comfort and fit is great. I like that there is no elastic at the top of the leg -- but then, wanting more, I couldn't find them in the store -- or on-line in my size. Have you discontinued the XL size?
Très confortable
Très confortables et tiennes bien en place. Par contre je trouve que le choix de couleur est un peu moche.
The best
I finally found a nice pair of underwear that doesn’t go up my butt! Thank-you Simons!
J’adorerais
Dommage qu'il n'y a pas de blanc et de noir
Super comfy boy short
Great shape and stretch, and live the rust color. I’m an 8-10 US and medium fits great.
Confortable
Le tissu un peu mince mais très élastique et confortable.
Confort absolu
Vraiment parfait sous un jeans.
Pauvre qualité
Tissu très mince.
Polyamide elastane search
I prefer polyamide elastane for my underwear but am conscious of the environmental impact. So recycled nylon is a happy halfway house. I have tried Tencel but it does not hold its shape. I will always come back to Simon’s