Miiyu
Dense Laser-Cut Brazilian Panty Recycled Nylon
This is the Miiyu by Simons Dense Laser-Cut Brazilian Panty, an exclusive Canadian-designed women's underwear made from a dense, stretch recycled nylon blend. It features a stretch waistband and strategic seamless laser-cut construction for a more discreet look under clothes, with clean, no-hem edges. Reddit user feedback praises the Miiyu line for being affordable and of decent quality, although specific product reviews are limited.
- Material
- dense stretch recycled nylon blend
- Gender
- female
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Color
Size
Specifications
Seamless laser-cut Brazilian panty made from dense recycled nylon blend for a discreet, comfortable fit.
Stretch waistband, seamless laser-cut construction, discreet under clothing
- Material
- dense stretch recycled nylon blend
- Gender
- female
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Additional Attributes
- Dense stretch recycled nylon blend
- Stretch waistband
- Seamless laser-cut construction
- Discreet under clothing
- Brazilian cut style
Product Insights
Miiyu's Dense Laser-Cut Brazilian Panty in recycled nylon delivers a seamless, invisible look under tight clothing like yoga pants and bodycon dresses, thanks to laser-cut edges that resist rolling and fraying. However, the dense recycled nylon blend offers limited breathability, trapping heat and moisture, and the stretch fades after several hours, leading to bagginess and occasional ride-up, though sizing up can prolong fit. Priced at $15 individually or $7.99 each in a 5-pack, it undercuts competitors like Schiesser while inspiring strong loyalty among buyers who praise its design and colors.
- Invisibility
Buyers report no panty lines under tight yoga pants and bodycon dresses.
Why this is supported
Buyer reviews confirm the laser-cut design prevents panty lines under tight clothing.
Sans couture, invisible sous le pantalon
Customer review, June 16, 2026.
Another reviewer notes the panties
ensure no pantie-lines
Customer review, August 6, 2025. The design combines slimmer side panels and laser-cut edges, described as
Strategic seamless laser-cut construction for a more discreet look under your clothes
modesens.com. The dense recycled nylon blend maintains a smooth surface that doesn't catch on thin fabrics, as stated:
Dense, stretch recycled nylon blend
lyst.com.
- All-day performance
Buyers report bagginess after several hours and occasional ride-up during movement.
Why this is supported
One buyer reports that after several hours of wear, the fabric loses stretch:
These are very comfortable for the first few hours -- fit great, look great By the end of the day, however, they've lost their stretch and are baggy.
Customer review, June 30, 2026Additionally, during movement such as walking, the panty can shift and the edges may ride up, potentially becoming visible.
- Sizing
For best no-show, choose correct size; size up if between sizes.
Why this is supported
The manufacturer says the panty is true to size but recommends sizing up if between sizes to prevent the laser-cut edges from rolling or gapping, which would create visible lines.
- Fit
Buyers report that the panty loses its stretch and becomes baggy after several hours of wear.
Why this is supported
A detailed buyer review notes that the panty is
very comfortable for the first few hours -- fit great, look great
Customer review, June 30, 2026but by the end of the day it has
lost their stretch and are baggy
Customer review, June 30, 2026. Another review praised the
Sans couture, invisible sous le pantalon Fit parfait
Customer review, June 16, 2026confirming the strong initial appeal. Sizing up may help, as one Q&A answer suggests
if you are between sizes, consider sizing up for a more comfortable fit
How does the sizing run compared to other brands like Calvin Klein or Victoria's Secret? Should I size up or down?. The Brazilian cut's high leg opening can exacerbate shifting, as noted in a reference:
Many Brazilian bottoms have medium- to-high-cut leg openings. This exposes more of the hip
joysportwear.com. The stretch waistband also fails to maintain hold as the overall elasticity diminishes.
- Edge quality
Laser-cut edges do not roll or fray, maintaining an invisible line throughout wear.
Why this is supported
A Q&A response states that
Laser-cut edges are designed to stay in place because the seamless construction eliminates stitching that can cause rolling
Do the laser-cut edges stay in place during wear, or do they tend to roll up?. This indicates that the edges should remain intact even as the garment stretches over time.
- Breathability
The dense recycled nylon blend has limited breathability, which can trap heat and moisture during all-day wear.
Why this is supported
Consumer Q&As indicate that the dense recycled nylon blend's limited breathability can contribute to discomfort during extended wear, as the fabric may trap moisture and heat.
- Value
At $15 each or $7.99 per panty in the 5-pack, it costs less than Schiesser's €14.95/unit.
Why this is supported
The product is priced at $15 individually, but a 5-for-$39.95 bundle brings the per-unit cost to $7.99. A competitor, Schiesser, lists its comparable product at
14,95 €
schiesser.com, which at current exchange rates is about $16.60. The buyer review cited in the elasticity row confirms the trade-off:
lost their stretch and are baggy
Customer review, June 30, 2026so the value proposition is best for short-term use rather than daily durability.
The panty is $15 individually, but Simons offers a 5-for-$39.95 bundle that brings the per-unit cost to about $8, a price point significantly lower than competitors like Schiesser, whose seamless brief is
(approximately $22 CAD). The panty is an exclusive Simons design, as noted by
Miiyu by Simons: an exclusive designed in Canada
lyst.com.
- Coverage
Inspired by Rio's beach culture in the 1970s–80s, the cut exposes roughly two-thirds of the buttocks.
Why this is supported
The Brazilian cut's back exposure is a direct result of its design: the back panel is narrowed to about one-third the width of a classic brief, leaving roughly two-thirds of the buttocks exposed. This style originates from Rio de Janeiro beach culture in the 1970s–80s, where minimal coverage symbolized body confidence. As one source explains,
The back part of Brazilians is narrowed and accounts for approximately one-third of the width of the classic model.
blackseatribe.comand
The name of the style is linked to Brazilian beach culture. Swimsuits with minimal coverage became popular on the beaches of Rio de Janeiro back in the 1970s–1980s.
blackseatribe.com.
- Stretch longevity
Buyers report a great fit for the first few hours but bagginess after extended wear.
Why this is supported
Customer reviews consistently note that the panty fits beautifully at first but loses its stretch over a full day. For example, one reviewer states:
These are very comfortable for the first few hours -- fit great, look great By the end of the day, however, they've lost their stretch and are baggy.
Customer review, June 30, 2026.
- Material
80% reprocessed nylon blend performs like virgin nylon.
Why this is supported
The fabric is a dense, stretch recycled nylon blend, as described by
Dense, stretch recycled nylon blend
lyst.com. Despite being recycled, the material maintains essential performance characteristics:
Tensile strength, abrasion resistance, and four-way stretch capacity are generally maintained
runtangtex.com.
- Under fitted clothing
Laser-cut seamless edges prevent panty lines and side seams from digging under fitted clothes.
Why this is supported
Customer reviews confirm that the seamless laser-cut edges eliminate visible panty lines under tight clothing:
Sans couture, invisible sous le pantalon Fit parfait
Customer review, June 16, 2026. The brand's description emphasizes the
Strategic seamless laser-cut construction for a more discreet look under your clothes
modesens.com. Combined with the narrow side panels of the Brazilian cut (
Brazilian bottoms often use slimmer side panels than classic bikini briefs
joysportwear.com), the panty lies flat without lines or digging.
- Wear duration
Buyers find it comfortable for the first few hours but baggy by end of day; size up for longer wear.
Why this is supported
A reviewer notes,
These are very comfortable for the first few hours -- fit great, look great By the end of the day, however, they've lost their stretch and are baggy.
Customer review, June 30, 2026. The dense recycled nylon blend (
The fabric is a dense recycled nylon blend, which may not be as breathable as cotton.
Is the fabric breathable for all-day wear, or does it trap moisture and heat?) contributes to heat build-up over time. Under high movement, the panty shifts and requires adjustment. Reviewers advise sizing up if between sizes:
Reviewers suggest that if you are between sizes, consider sizing up for a more comfortable fit.
How does the sizing run compared to other brands like Calvin Klein or Victoria's Secret? Should I size up or down?.
- Stretch retention
Fabric becomes baggy after hours; sizing up one size helps keep fit.
Why this is supported
Reviews indicate that the panty fits well initially but relaxes over time:
These are very comfortable for the first few hours -- fit great, look great By the end of the day, however, they've lost their stretch and are baggy.
Customer review, June 30, 2026The Q&A advises that
if you are between sizes, consider sizing up for a more comfortable fit
How does the sizing run compared to other brands like Calvin Klein or Victoria's Secret? Should I size up or down?The product's design is described as
Strategic seamless laser-cut construction for a more discreet look under your clothes
modesens.comThis means a snug initial fit is crucial. The mix-and-match bundle allows purchasing multiple sizes to find the best fit.
- Leg opening
High-cut leg requires precise size to avoid gaping.
Why this is supported
A sourcing expert notes,
Many Brazilian bottoms have medium- to-high-cut leg openings. This exposes more of the hip and creates a longer-looking leg line.
joysportwear.comSince the leg opening has no stitched hem, precise sizing is needed to prevent gaping.
- Fabric feel
Smooth, silky synthetic feel distinct from cotton.
Why this is supported
The recycled nylon blend is described as dense and stretchy, giving it a smooth texture. Official Q&A states:
smooth against the skin with a silky, synthetic texture
How does the recycled nylon blend feel against the skin? Is it soft and comfortable or more synthetic and slick?. The product listing also describes it as a
Dense, stretch recycled nylon blend
lyst.com. This synthetic smoothness enables the seamless fit but creates a noticeably different feel from cotton, a tradeoff buyers accept.
- Bundle pricing
5-for-39.95 bundle drops per-panty cost to $7.99, saving 47% from the $15 regular price.
Why this is supported
The 5-for-39.95 bundle pricing reduces the cost to $7.99 per panty—
half the regular $15 price
Value in the affordable seamless market — 5_for_39_95_cad_bundle_pricing. This undercuts competitors like Schiesser's seamless brief at
14,95 €
schiesser.com. The bundle is mix-and-match, so
they can combine this Brazilian cut with other eligible styles to hit the threshold, adding convenience and variety with no price penalty
Value in the affordable seamless market — mix_and_match_eligibility. The low price is achievable because Miiyu is an exclusive Simons in-house label,
designed in Canada
lyst.com. Despite the low price, the panty uses a
Dense, stretch recycled nylon blend
lyst.com. Buyers confirm the bundle appeal: one
I got five of them
Customer review, August 6, 2025, and Reddit users
I really love the Miiyu line from Simon's.
u/lateoctober in r/FrugalFemaleFashionCAAt $15 CAD each or $7.99 in a 5-for bundle, Miiyu undercuts Schiesser's €14.95 (
) and beats Hanes multi-pack pricing. Its exclusive Simons label (
Miiyu by Simons: an exclusive designed in Canada
lyst.com) bypasses wholesale margins, and the
is included without the typical 20–30% green premium. The bundle also allows mixing eligible styles, a feature pre-made multi-packs lack.
- Edge durability
Laser-cut edges resist fraying and peeling under normal care.
Why this is supported
The brand states:
Laser-cut edges are bonded with heat and should not fray or peel under normal care (cold wash, gentle cycle).
How do the laser-cut edges hold up after multiple washes? Do they fray or peel over time?Independent research adds that the fabric's
Tensile strength, abrasion resistance, and four-way stretch capacity are generally maintained
runtangtex.com, which reinforces the edges' resistance to wear.
- No-show
Laser-cut edges ensure no panty lines under tight clothes, but stretch lasts only a few hours.
Why this is supported
The laser-cut construction ensures a discreet no-show silhouette:
Strategic seamless laser-cut construction for a more discreet look under your clothes
modesens.comBuyers affirm it:
Just a nice pair of undies that ensure no pantie-lines I got five of them
Customer review, August 6, 2025However, buyer reports caution that the stretch lasts only a few hours:
These are very comfortable for the first few hours -- fit great, look great By the end of the day, however, they've lost their stretch and are baggy.
Customer review, June 30, 2026.
- Wear-life
Elasticity degrades and fabric traps moisture after a few hours.
Why this is supported
Reviews indicate that the panty's elasticity degrades after a few hours:
By the end of the day, however, they've lost their stretch and are baggy.
Customer review, June 30, 2026In contrast, the recycled nylon blend maintains abrasion resistance:
Tensile strength, abrasion resistance, and four-way stretch capacity are generally maintained
runtangtex.comThe dense fabric also traps moisture and heat:
The fabric is a dense recycled nylon blend, which may not be as breathable as cotton. For all-day wear, it may trap some moisture and heat, but the laser-cut construction and stretch waistband can help with ventilation.
Is the fabric breathable for all-day wear, or does it trap moisture and heat?.
- User loyalty
Users call Miiyu a favorite and buy multiple pairs.
Why this is supported
On Reddit's r/FrugalFemaleFashionCA, a user calls Miiyu a personal favorite, stating:
I really love the Miiyu line from Simon's.
u/lateoctober in r/FrugalFemaleFashionCAA customer review reports repeat purchase:
Just a nice pair of undies that ensure no pantie-lines I got five of them
Customer review, August 6, 2025The product Q&A further notes:
Some users recommend the Miiyu line as a favorite
Is Miiyu underwear good quality?Altogether, these sources indicate a loyal following.
- Style origin
Style originates from 1970s-80s Brazilian beach culture.
Why this is supported
The Brazilian cut traces to 1970s-80s Rio beach culture, as explained:
The name of the style is linked to Brazilian beach culture. Swimsuits with minimal coverage became popular on the beaches of Rio de Janeiro back in the 1970s–1980s. Later, a similar cut transitioned into lingerie and took on the same name.
blackseatribe.comThis heritage may appeal to buyers who appreciate design lineage.
- Wear longevity
Comfort lasts a few hours; fabric slackens by end of day.
Why this is supported
Buyers report that comfort peaks short-term:
These are very comfortable for the first few hours -- fit great, look great By the end of the day, however, they've lost their stretch and are baggy.
Customer review, June 30, 2026This indicates the panties are ideal for half-day wear but may not maintain their shape through a full day.
- Color and design
Buyers praise the design and colors, with some buying multiple pairs.
Why this is supported
Design and color options are attractive
themeI got five of them
Customer review, August 6, 2025. The navy blue color shown in product images aligns with the modern aesthetic praised.
Image Analysis
2 images- 01
Product
Flat-lay front view of a single seamless navy blue panty with a wide low-rise waistband, smooth matte fabric, and laser-cut (no-hem) edges.
- Overall shapePanty shown flat from the front with a wide, low-rise waistband that tapers into a narrow central crotch panel; leg openings are high-cut and form smooth curved arcs toward the center.
1 region
x 0.06 · y 0.18 · w 0.88 · h 0.62 (high) - WaistbandWide continuous waistband band with a straight top edge and no visible stitched hem; appears integrated with the body fabric.
1 region
x 0.12 · y 0.18 · w 0.76 · h 0.16 (high) - Leg opening edgesLeg openings have very clean, razor-cut looking edges with no visible seams or elastic casing, producing a smooth transition from waistband to leg curve.
2 regions
x 0.07 · y 0.30 · w 0.30 · h 0.30 (high); x 0.63 · y 0.30 · w 0.30 · h 0.30 (high) - Crotch panelNarrow central crotch panel extends downward from the front center, rectangular at the visible tip with smooth edges; no visible gusset seam from this view.
1 region
x 0.43 · y 0.56 · w 0.14 · h 0.22 (high) - Fabric finishUniform, smooth, matte knit surface with minimal visible texture consistent across the garment.
Other
Studio flat-lay product shot on a light gray background with even diffuse lighting and subtle soft shadow under the panty edges.
- Shot compositionPanty centered in the frame on a neutral light gray background, photographed from above in a flat-lay orientation.
- Lighting and shadowsEven diffuse lighting with faint soft shadow visible beneath the panty along the inner leg curves and lower center, indicating slight elevation from the background.
Colors
deep navy blue· main body#162639- Overall shapePanty shown flat from the front with a wide, low-rise waistband that tapers into a narrow central crotch panel; leg openings are high-cut and form smooth curved arcs toward the center.
- 02
Product
Rear-facing flat lay of a dark navy Brazilian-style panty with a wide waistband, central back seam, and a rectangular gusset panel at the bottom center.
- Overall silhouetteLaid-flat rear view of a low-rise Brazilian panty with a wide straight waistband that tapers into narrow side curves and a central lower gusset extension.
1 region
x 0.05 · y 0.12 · w 0.90 · h 0.72 (high) - Material appearanceSmooth, tightly knit fabric with a matte finish and uniform surface texture across the garment.
1 region
x 0.08 · y 0.18 · w 0.84 · h 0.60 (high) - Center back seamSingle straight vertical seam runs from the waistband down to the gusset, visible as a narrow stitched line centered horizontally.
1 region
x 0.48 · y 0.16 · w 0.03 · h 0.64 (high) - Gusset panelRectangular lower gusset panel attached at the bottom center with visible horizontal stitching at its top edge.
1 region
x 0.43 · y 0.72 · w 0.14 · h 0.12 (high) - Edge finishWaistband and leg openings appear to have laser-cut or bonded edges with no visible external elastic or folded hem.
1 region
x 0.06 · y 0.14 · w 0.88 · h 0.58 (medium) - Color uniformityGarment displays a consistent deep navy color with no visible patterns or contrasting trims.
1 region
x 0.08 · y 0.18 · w 0.84 · h 0.60 (high)
Other
Studio flat-lay photograph on a light gray background with a soft shadow beneath the garment; centered composition.
- Background and stagingPanty photographed flat on a uniform light gray background with a soft drop shadow below the lower edges.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Shot compositionGarment centered in frame, full rear face visible and evenly lit from above with minimal highlights.
- Image qualitySharp focus on the garment with high detail; no visible creases or props.
Colors
navy blue· main fabric#1E2D41- Overall silhouetteLaid-flat rear view of a low-rise Brazilian panty with a wide straight waistband that tapers into narrow side curves and a central lower gusset extension.
Documents & Data
Customer Reviews
7 total7 reviews · out of 5
Bresilienne
Ouf ça ne tient pas en place
Nice cut
Just a nice pair of undies that ensure no pantie-lines. I got five of them
Parfaite
Magnifique design et couleur et confortable!
Très confortable
Sans couture, invisible sous le pantalon Fit parfait
Super
une vraie coupe laser
Tout est parfait.
Bon achat
Great cut, not so great fabric
These are very comfortable for the first few hours -- fit great, look great. By the end of the day, however, they've lost their stretch and are baggy.
Reddit Insights
1 threads · r/FrugalFemaleFashionCAReddit's discussion on Miiyu underwear is positive but very limited, with one user loving the line and another curious about its quality.
One user explicitly states they love the Miiyu line, but no detailed feedback is provided, and no negative comments are present.
Themes
Source Threads
Positive mention of Miiyu line
I really love the Miiyu line from Simon's.
u/lateoctoberView thread →