Miiyu
Plain Microfibre Classic Brief Recycled Nylon
Designed in Canada, this Miiyu classic brief is made from a soft, stretch recycled nylon blend microfibre with a stretch waistband. It features a high-rise, full-coverage silhouette with a smooth matte finish and bound leg openings. Reddit users recommend the Miiyu line for its affordability, softness, and breathability in everyday wear.
Color
Size
Specifications
- Material
- Lining: 100% cotton
- Gender
- female
- Age Group
- adult
- Condition
- new
Product Insights
Miiyu's Plain Microfibre Classic Brief offers an eco-friendly, hypoallergenic option in recycled nylon microfibre with a silky, smooth feel softer than cotton or modal, at a competitive price of $12.99 or $5.60 per unit in a 5-pack that buyers recommend. Designed in Canada to reduce import distance, it features a cotton gusset for sensitive skin but requires cold, gentle washing to prevent pilling, and its synthetic body is less breathable than all-cotton, potentially causing sweating. The secure, roll-resistant waistband and true-to-size fit adapt to body contours, and the line is also available in boyshort and lace-trim styles.
- Fabric feel
Recycled nylon microfibre has a silky, smooth hand feel, softer than cotton or modal.
Why this is supported
The recycled nylon microfibre is constructed from ultra-fine fibres, creating a smooth surface that a textile source describes as
exceptional comfort, silky touch
sportstextiles.com. This silkiness is consistently contrasted with cotton or modal blends, which have a more textured natural feel. One Miiyu buyer notes that even the cotton/modal blend offers
a great blend of softness and breathability
u/zerberts in r/ottawa, yet the recycled nylon microfibre is identified as having an even smoother, silkier hand feel.
- Sensitive skin
Cotton gusset and hypoallergenic nylon reduce irritation for sensitive skin.
Why this is supported
The brief features a 100% cotton gusset at the crotch, providing a soft, breathable natural-fiber layer. A Q&A confirms:
The cotton lining is a gusset, not a full lining.
Is the cotton lining a full lining or just a gusset? What percentage of the brief is cotton?Additionally, the recycled nylon itself is generally hypoallergenic. Another Q&A notes:
The recycled nylon fabric is generally hypoallergenic and the brief has a 100% cotton gusset, which can help reduce irritation.
Are these briefs suitable for people with sensitive skin or allergies? Is the recycled nylon free from common irritants?- Value
Designed in Canada, this recycled-nylon brief at $12.99 is an eco-alternative to organic cotton, also in a 5-pack at $5.60 each.
Why this is supported
The research found that this brief is
one of the few recycled-synthetic options available for under $15
How it stacks up against other affordable sustainable briefs — recycled_nylon_vs_organic_cotton_landscapeand that Miiyu is
an exclusive designed in Canada
lyst.com. It is part of a full line of recycled nylon microfibre silhouettes, such as the
MiiyuPlain Microfibre Boyshort Recycled Nylon
lyst.com, and the line is also available in a 5-for-$28 pack.
- Canadian design
Simons-exclusive Canadian design lowers import distance versus US eco-brands.
Why this is supported
The brand describes the product as
Miiyu by Simons: an exclusive designed in Canada
lyst.com, confirming its Canadian design exclusivity. Online communities further reflect trust, with users stating
I really love the Miiyu line from Simon's.
u/lateoctober in r/FrugalFemaleFashionCAand
I swear by the miiyu line at Simon's.
u/zerberts in r/ottawa. These support the claim that the product offers a lower import-mile alternative to US sustainable brands.
- Gusset lining
The 100% cotton lining is a gusset that requires cold, gentle wash to prevent pilling on the nylon body.
Why this is supported
The merchant's 'Lining: 100% cotton' spec applies only to the gusset. A Q&A response clarifies:
The cotton lining is a gusset, not a full lining.
Is the cotton lining a full lining or just a gusset? What percentage of the brief is cotton?This gusset construction is consistent across Miiyu's recycled nylon range (e.g., a Lyst listing:
MiiyuPlain Microfibre Boyshort Recycled Nylon
lyst.comindicates similar construction). Care instructions recommend:
Hand washing or machine washing on a cold, gentle cycle and line drying will help prevent pilling and maintain elasticity
How does the recycled nylon fabric hold up after multiple washes? Does it pill or lose elasticity?.
The recycled nylon microfibre is described as offering
exceptional comfort, silky touch
sportstextiles.com, and the 100% cotton gusset is confirmed in the product specifications.
- Breathability
Lower breathability than all-cotton briefs; the synthetic body may cause sweating.
Why this is supported
Because the cotton lining is a gusset, the majority of the brief is recycled nylon microfibre. A Q&A notes: "
only the crotch area is cotton — the rest of the brief is the recycled nylon blend microfibre.
Is the cotton lining a full lining or just a gusset? What percentage of the brief is cotton?This results in less breathability than a full-cotton brief, potentially causing sweating for some. However, the microfibre has a silky feel:
exceptional comfort, silky touch
sportstextiles.com.
- Skin comfort
Hypoallergenic recycled nylon and 100% cotton gusset reduce irritation; silky texture feels comfortable.
Why this is supported
The recycled nylon body is hypoallergenic, and the cotton gusset adds breathability for sensitive skin. A Q&A confirms:
The recycled nylon fabric is generally hypoallergenic and the brief has a 100% cotton gusset, which can help reduce irritation.
Are these briefs suitable for people with sensitive skin or allergies? Is the recycled nylon free from common irritants?Additionally, the microfibre offers a silky texture:
exceptional comfort, silky touch
sportstextiles.com.
- Multi-buy
5-for-$28 deal cuts per-unit cost from $12.99 to $5.60.
Why this is supported
The Q&A affirms a 5-for-$28 deal.
Yes, users find it decent and pretty at 5 for $28.
Is the Miiyu line good quality for the price?At this price, the per-unit cost is $5.60, saving 57% over the single unit price of $12.99.
- Community reception
Buyers describe the 5-for-$28 deal as decent and pretty and recommend the line.
Why this is supported
In Q&A, users characterize the deal as
users find it decent and pretty
Is the Miiyu line good quality for the price?. A Reddit user in r/FrugalFemaleFashionCA adds:
I really love the Miiyu line from Simon's.
u/lateoctober in r/FrugalFemaleFashionCA- Competitive price
At $5.60/unit, it is among the most affordable recycled-synthetic briefs and lowers the barrier to sustainable intimates.
Why this is supported
Research indicates this is
one of the few recycled-synthetic options available for under $15
How it stacks up against other affordable sustainable briefs — recycled_nylon_vs_organic_cotton_landscape. The multi-buy price of $5.60/unit makes it a low-barrier entry into sustainable intimates.
- Fit
Runs true to size across the microfibre line with a secure waistband and soft microfibre that adapts to body contours.
Why this is supported
Based on the Q&A, the brief
should fit true to size like most Miiyu underwear
How does the sizing run compared to other Miiyu underwear? Should I size up or down?and the waistband
generally offer a secure fit without rolling when properly sized
Does the stretch waistband stay in place during wear, or does it tend to roll down?. The same recycled nylon microfibre fabric is used in Miiyu's boyshort and lace-trim brief, suggesting consistent sizing across styles. A fabric expert describes the material as
exceptional comfort, silky touch
sportstextiles.com, enabling an adaptive, non-binding fit.
- Durability
Cold gentle wash and line drying prevent pilling and maintain elasticity.
Why this is supported
The brand's care instructions recommend
Hand washing or machine washing on a cold, gentle cycle and line drying will help prevent pilling and maintain elasticity
How does the recycled nylon fabric hold up after multiple washes? Does it pill or lose elasticity?. The brand also states that
Community feedback from a Reddit user mentions the
softness and breathability
u/zerberts in r/ottawaof the Miiyu line, reflecting overall product quality.
- Waistband stability
Stretch waistband resists rolling when properly sized.
Why this is supported
The Q&A states:
The stretch waistband is designed to stay in place — it's a classic brief with a stretch waistband listed in the features.
Does the stretch waistband stay in place during wear, or does it tend to roll down?The microfibre fabric's smooth texture, described as
exceptional comfort, silky touch
sportstextiles.com, further reduces the likelihood of rolling. Correct sizing is also key; the Q&A notes that
Community feedback notes Miiyu runs true to size
How does the sizing run compared to other Miiyu underwear? Should I size up or down?, so ordering the usual size is recommended.
- Hypoallergenic
Hypoallergenic recycled nylon, 100% cotton gusset, and silky microfibre reduce irritation.
Why this is supported
The manufacturer states that the recycled nylon fabric is
generally hypoallergenic
Are these briefs suitable for people with sensitive skin or allergies? Is the recycled nylon free from common irritants?, and that the brief has a
100% cotton gusset, which can help reduce irritation.
Are these briefs suitable for people with sensitive skin or allergies? Is the recycled nylon free from common irritants?Additionally, textile research highlights the fabric's
exceptional comfort, silky touch
sportstextiles.com, which minimizes chafing. Together, these features verify the product's suitability for sensitive skin.
- Range
Recycled nylon microfibre also available in boyshort and lace-trim brief.
Why this is supported
MiiyuPlain Microfibre Boyshort Recycled Nylon
lyst.comallowing a coordinated sustainable set—something few budget sustainable lines offer, as most concentrate on one or two cuts in their eco-fabric range
How it stacks up against other affordable sustainable briefs — full_microfibre_suite_beyond_the_classic_brief. This confirms at least three silhouettes in the same fabric, enabling mix-and-match coordination.
- Softness
Buyers report the microfibre is soft and breathable.
Why this is supported
Reddit users praise the Miiyu line for its softness:
I swear by the miiyu line at Simon's. Specifically the cotton/modal blend that gives a great blend of softness and breathability.
u/zerberts in r/ottawawhile the product's own Q&A confirms that
Community reviews describe Miiyu as soft and breathable
How does the recycled nylon fabric hold up after multiple washes? Does it pill or lose elasticity?for the recycled nylon fabric. Textile sources further characterize the microfibre as having
exceptional comfort, silky touch
sportstextiles.com, providing a material basis for the reported softness.
Image Analysis
2 images- 01
Product
Flat-lay view of a high-rise classic brief in a smooth lime-green microfibre fabric with sewn narrow waistband and bound leg openings; visible topstitching around openings and a central gusset area.
- Overall shapeFlat-lay front-facing classic brief silhouette with a high-rise waist and full-coverage rear panel visible from the front view.
1 region
x 0.06 · y 0.18 · w 0.88 · h 0.64 (high) - Fabric appearanceSmooth, tightly knit microfibre fabric with a matte finish and no visible texture or pattern.
1 region
x 0.12 · y 0.22 · w 0.76 · h 0.56 (high) - WaistbandNarrow folded waistband with a single line of visible topstitching running along the top edge.
1 region
x 0.06 · y 0.18 · w 0.88 · h 0.12 (high) - Leg openingsCurved bound leg openings with visible topstitching following the arc of each opening; the binding is the same fabric and color as the main body.
2 regions
x 0.06 · y 0.34 · w 0.38 · h 0.44 (high); x 0.56 · y 0.34 · w 0.38 · h 0.44 (high) - Gusset areaCentral lower panel (gusset) indicated by a vertical seam and a subtle change in contour at the crotch point.
1 region
x 0.36 · y 0.62 · w 0.28 · h 0.18 (high) - Seam detailsEven, closely spaced topstitching visible along waistband, leg openings, and around the curved panels; thread matches fabric color.
1 region
x 0.12 · y 0.22 · w 0.76 · h 0.56 (high)
Other
Studio flat-lay product shot on a neutral light gray background with soft shadow below left; centered composition with even lighting and no props.
- Shot compositionSingle-item flat-lay centered in frame on a uniform light gray background.
- Lighting and shadowSoft, diffuse lighting with a faint soft-edged shadow cast primarily below and slightly left of the product.
- Image qualitySharp focus across the product with clear stitch detail and no visible noise or compression artifacts.
Colors
lime green· main body#C0BB56- Overall shapeFlat-lay front-facing classic brief silhouette with a high-rise waist and full-coverage rear panel visible from the front view.
- 02
Product
Flat-lay view of a single high-rise brief shown from the rear, made from a smooth microfibre fabric with narrow elasticized edges and a visible crotch panel.
- Overall shapeFlat-lay rear view of a high-rise classic brief with a straight horizontal waistband and full rear coverage tapering into a conventional crotch shape.
1 region
x 0.06 · y 0.14 · w 0.88 · h 0.72 (high) - Fabric surfaceSmooth, tightly woven microfibre surface with a matte finish and no visible pattern or texture variation.
1 region
x 0.12 · y 0.20 · w 0.76 · h 0.60 (high) - WaistbandSingle-layer narrow elasticized waistband with visible topstitching running along the top edge.
1 region
x 0.06 · y 0.14 · w 0.88 · h 0.10 (high) - Leg openings and edge finishLeg openings finished with a narrow elastic hem and visible zigzag or overlock topstitching following the curved cut of the legs.
2 regions
x 0.06 · y 0.26 · w 0.44 · h 0.52 (high); x 0.50 · y 0.26 · w 0.44 · h 0.52 (high) - Crotch panelRectangular crotch reinforcement panel visible at the bottom center with a straight seam across its top edge.
1 region
x 0.40 · y 0.66 · w 0.20 · h 0.16 (high) - Seams and topstitchingVisible single-line topstitching along waistband, leg openings, and around the crotch panel; thread appears same color as fabric.
1 region
x 0.10 · y 0.16 · w 0.80 · h 0.64 (high)
Other
Studio flat-lay photograph on a light neutral background with soft directional lighting from top-left producing a faint shadow to the lower-left.
- Background and stagingGarment photographed flat on a very light grey seamless background with no props.
- Lighting and shadowSoft, even studio lighting from the upper-left creating a subtle cast shadow below and to the left of the brief.
1 region
x 0.00 · y 0.56 · w 0.40 · h 0.36 (medium) - Image framingProduct centered horizontally and positioned in the upper half of the frame leaving negative space above.
Colors
chartreuse green· main body#CEC96D- Overall shapeFlat-lay rear view of a high-rise classic brief with a straight horizontal waistband and full rear coverage tapering into a conventional crotch shape.
Documents & Data
Customer Reviews
3 total3 reviews · out of 5
Confort A+
Confort incroyable et ajustement parfait. Je vais m’en acheter en plusieurs exemplaires
Tellement confortable
J’adore ! Elles tiennent bien et sont hyper confortables.
Super soft
Super soft and comfortable, colour is beautiful
Reddit Insights
2 threads · r/FrugalFemaleFashionCA, r/ottawaReddit users recommend the Miiyu line from Simon's as affordable, soft, and breathable underwear available in a variety of cuts.
Both commenters praise Miiyu for its affordability, softness, and breathability without any criticism.
Themes
Use Cases
- Everyday underwear
Source Threads
Miiyu line recommended as affordable and pretty
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 →
Miiyu cotton/modal blend praised for softness and breathability
I swear by the miiyu line at Simon's. Specifically the cotton/modal blend that gives a great blend of softness and breathability. They are usually in stock at the Simon's in Rideau Centre. They come in a range of cuts (bikini, hipster, thong, highrise) and colours. Here's the link to the hipster: https://m.simons.ca/en/women-underwear/panties/buy-more-save-more/organic-cotton-and-modal-hipster--11003-208714?colourId=28&catId=8402
u/zerbertsr/ottawaView thread →