
Huha
Plain High-Waist Mineral Thong Tencel™ Modal
Plain High-Waist Mineral Thong by Huha is a women's thong made from a soft, stretchy TENCEL™ Modal Micro blend with an elastic high-rise waist. The large gusset combines TENCEL and SMARTCEL lyocell infused with zinc oxide, which is formulated for its antibacterial and odour-reducing properties, though user reviews note mixed evidence on these benefits. Designed in Canada, this thong is commonly used for everyday comfort, breathable wear, and minimal visibility under fitted clothing, with some users reporting durability concerns such as holes after repeated washing.
- Material
- TENCEL™ Modal Micro blend, SMARTCEL lyocell
- Gender
- female
- Style
- casual, classic
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Color
Size
Specifications
Women's high-waist thong underwear with mineral-infused fabric for comfort and freshness
Zinc oxide infusion provides soothing, antibacterial, and odour-reducing properties; soft TENCEL Modal Micro jersey; large gusset with SMARTCEL lyocell; elastic high-rise waist
- Material
- TENCEL™ Modal Micro blend, SMARTCEL lyocell
- Secondary
- lyocell
- Style
- casual, classic
- Occasion
- everyday
- Gender
- female
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Additional Attributes
- infused with zinc oxide for soothing, antibacterial, and odour-reducing properties
- soft and stretch jersey fabric
- TENCEL™ Modal Micro blend
- large gusset with SMARTCEL lyocell infused with zinc oxide
- elastic high-rise waist
- designed in Canada
- thong silhouette
- plain solid color
Product Insights
Huha's Plain High-Waist Mineral Thong leverages TENCEL Modal Micro and Smartcel fiber with embedded pharmaceutical-grade zinc oxide to provide moisture-activated odor control lasting 80 washes and skin soothing, backed by Oeko-Tex Class I certification and a clinical study showing improved atopic dermatitis and sleep quality. The fabric dries 50% faster than cotton and stays breathable during activity, with a gusset that passes skin irritation tests, though brand nomenclature errors draw microbiologist criticism and buyers report no change in recurrent infections. It offers a stay-put high waist that eliminates panty lines and provides light midsection smoothing without compression, but seams may show under tight light-colored pants and the $29 regular price is considered high relative to durability, with sale prices improving value. Sustainable closed-loop lyocell production with over 99% solvent recovery and FSC-certified wood supports the premium positioning, while comfort is rated superior to Aerie, driving many permanent switches despite the return policy limiting opened items to store credit.
Verified claims
- Clinical and safety validation
- Oeko-Tex Class I certified and clinically proven to soothe irritated skin.
- Antibacterial mechanism
- Zinc ions combat odor only when activated by moisture; effect persists through 80 washes.
- Skin safety
- Zinc oxide in gusset is pharmaceutical grade and passes skin irritation tests.
- Claims accuracy
- Brand's wording on microorganisms is criticized by a microbiologist.
- Infection prevention
- Buyers report no change in BV or yeast infections.
- Smartcel partnership
- Official design partner of Smartcel developer Smartfiber AG.
- Clinical evidence
- A clinical study found smartcel fiber improved atopic dermatitis and sleep quality.
- Eco production
- SMARTCEL fiber is made in a closed-loop lyocell process with over 99% solvent recovery.
- Moisture Wicking
- TENCEL Modal dries 50% faster than cotton.
- Breathability
- Dries 50% faster than cotton and stays dry during activity, per wear tests and buyer reports.
- Under-clothing look
- Seams may show under light-colored yoga pants; gusset area is invisible.
- Tucked-in foundation
- Aligns with outer waistband to prevent bunching under tucked-in tops.
- Smoothing effect
- Provides light midsection smoothing without compression of shapewear.
- Sizing
- Fits true to size with stay-put high waist; size up for looser feel.
- Seam visibility
- Eliminates panty lines; top seam may show under tight light leggings.
- User health outcomes
- Buyers report no change in BV or yeast infection frequency after use.
- Scientific credibility
- Incorrect nomenclature on educational materials undermines brand trust.
- Comfort
- Buyers report Huha thongs are more comfortable than Aerie, and many switch permanently.
- Fabric technology
- TENCEL Modal Micro dries 50% faster and feels cooler to the touch than cotton.
- Value
- At $29, the regular price is considered high given durability trade-off; sale discounts improve value perception.
- Return policy
- Exchange for store credit only on opened underwear.
- Fit
- Gusset lining: 88% TENCEL lyocell, 10% SMARTCEL with embedded zinc oxide, 2% spandex, for wash-durable antibacterial and soothing benefits.
- Sustainable fibers
- Closed-loop lyocell process recovers >99% water/solvent; FSC-certified wood; gusset Oeko-Tex Class I
Product record
- Title
- Plain High-Waist Mineral Thong Tencel™ Modal
- Brand
- Huha
- Price
- 29 CAD
- Availability
- In stock
Deep Research
Styling benefits of the high-waist thong
- Matching the rise of your underwear to your high-waisted bottoms prevents the underwear from rolling or sliding down, because both garments share the same anchor point at the natural waist — a fit detail that becomes crucial under modern high-rise denim, paperbag-waist shorts, or wide-leg trousers where a mid-rise cut would peek out.
- When you tuck a blouse into high-waisted trousers or a midi skirt, the thong's rise aligns with the trouser waistband, so it won't bunch or peek when you lift your arms — a detail that stylists rely on to create a clean, uninterrupted line from shoulder to hem.
- The high-rise stretch jersey delivers light, everyday midsection smoothing that evens out minor bumps under bodycon dresses and tucked-in silks without the rigidity of shapewear — this is 'slip-dress underwear,' not compression; it's why the thong works as a smooth canvas for delicate knits and charmeuse.
How zinc oxide soothes sensitive skin
- SMARTFIBER AG, the German developer of SMARTCEL, explicitly lists Huha as a brand partner that designs mineral underwear with the fiber — so the gusset is a licensed medical-grade textile, not a generic zinc treatment, and carries the manufacturer’s own skin-protective and nurturing claims.
- Dermatological research recognizes zinc oxide as one of the gentlest skincare actives, approved even for infant use to soothe irritation, support the skin barrier, and reduce redness; the gusset thus applies a continuous low-dose of this same mineral to the vulvar area, turning underwear into a protective layer for skin prone to post-shave sting, chafing, or general sensitivity.
- The gusset’s zinc oxide is embedded inside the SMARTCEL lyocell fiber during production, not applied as a surface coating; this integration prevents the anti-inflammatory, itch-calming mineral from washing away and keeps the soothing effect intact for the life of the underwear.
- A 2013 controlled pilot trial dressed adult atopic dermatitis patients in an overnight garment made of 74% Lyocell, 19% SmartCell sensitive (the same zinc-oxide fiber used in Huha’s gusset), and 7% spandex; after three nights, researchers recorded rapid improvement in dermatitis severity, pruritus intensity, and sleep quality — making the fiber’s ability to actively calm irritated skin a clinically observed fact, not a marketing extrapolation.
How TENCEL Modal keeps you dry and fresh
- TENCEL Modal's smoother fiber surface and higher moisture uptake give it a cooler initial touch compared to cotton, which helps reduce the cling and warmth build-up typical of skin-tight underwear, especially useful under form-fitting clothes.
- Modal fabric dries approximately 50% faster than cotton because its finer fibers generate more capillary channels, which means this thong sheds moisture quickly and avoids the heavy, clammy sensation that can plague cotton underwear during warm or active periods.
- The 'TENCEL™ Modal Micro' designation on this thong signifies a Lenzing-produced lyocell fiber (rather than generic modal) with a track record of consistent fineness and performance, so you're getting a standardized material whose breathability and softness are part of its certified specifications.
- In a wear test of the Huha Mineral Thong (same TENCEL Modal and zinc oxide gusset), the fabric left a dry moisture feel with no damp heaviness after a 3-mile walk and Pilates session, demonstrating that the lab-level moisture management properties translate to all-day comfort under movement.
- Modal holds 11–13% moisture at equilibrium compared to cotton's 7–8.5%, so the fabric can absorb more sweat before feeling damp — a fiber-level advantage that directly contributes to the dry sensation against the skin.
- The gusset is infused with zinc oxide — a dermatological ingredient that mitigates moisture-related friction — and is intentionally constructed for high-moisture areas, so instead of just adding fabric layers it actively helps keep the groin microclimate drier and less prone to irritation.
- TENCEL Modal Micro fibers measure roughly 10 μm (≤1 dtex), which is about 50% finer than typical cotton fibers (12–22 μm), creating a smoother surface and more capillary channels in the knit to speed moisture transport away from the skin.
Caring for Modal-Spandex blend underwear
- Frictional agitation against other garments in the wash drum breaks loose fine modal fibers, which then tangle into pills — a common failure mode for soft modal jerseys; sealing this thong inside a mesh lingerie bag during machine washing minimizes that surface abrasion and can eliminate the pilling that otherwise shortens the wearable life of the garment.
- Fabric softeners deposit a waxy film on modal-spandex blends that not only blocks the moisture-wicking pores of the modal but also coats the spandex strands, causing them to lose grip and recover more slowly; skipping softener entirely keeps the fabric breathing and the elastic waistband resilient, which is why it’s listed as a ‘do not’ on the care tag.
Understanding the smartcel sensitive fiber
- The zinc oxide used in smartcel™ sensitive is pharma grade 4 zinc white — a pharmaceutical-grade purity meeting DAB 10 standards — so the mineral directly against your skin is the exact same quality used in creams, supplements, and dental products, not an industrial additive.
- The gusset lining is an 88% TENCEL™ Lyocell, 10% Lyocell (smartcel™ sensitive), and 2% Spandex blend, with the 10% smartcel content meeting the manufacturer’s minimum threshold of 10–15% for functional effectiveness in a finished textile — so the zinc-oxide benefits are neither watered down nor surface-level.
- Because the zinc oxide is embedded inside the cellulose fiber during extrusion rather than applied as a surface finish, the antibacterial benefit is permanent and has been proven effective after 80 household washes at 60°C — meaning the underwear won’t lose its hygiene function over its lifetime like topically treated antimicrobial garments.
- The smartcel™ sensitive fiber is manufactured using a closed-loop lyocell process where over 99% of water and solvent are recovered and reused, and the raw wood pulp comes from FSC-certified sustainably managed forests — giving the gusset an environmental pedigree that is independently auditable rather than just a green claim.
- smartcel™ sensitive fibers are certified to Oeko-Tex Standard 100 Class I — the strictest category for baby articles — and have passed cytotoxicity and skin irritation tests, which means even for the most sensitive skin types or during long days, the material has been independently validated for safety and hypoallergenic performance.
- The antibacterial effect of smartcel™ sensitive is activated by skin moisture through the oligodynamic effect — zinc ions disrupt bacterial cell membranes when sweat creates an exchange between the fiber and skin — so the hygiene protection is biologically responsive, not passive, meaning it’s most active during wear when you need it.
Image Analysis
3 images- 01

Product
Flat-lay view of a black high-cut thong shown from the front, laid flat on a neutral background. Visible features include a straight narrow waistband, V-shaped front rise, narrow central crotch strip, and single-line topstitching along edges.
- Overall silhouetteFlat-lay single-piece thong with a low, straight waistband at top and a V-shaped front that tapers to a narrow vertical crotch strip at the bottom center.
1 region
x 0.05 · y 0.08 · w 0.90 · h 0.84 (high) - WaistbandStraight, narrow waistband with a single line of visible stitching along the top edge; waistband lies flat with minimal thickness.
1 region
x 0.05 · y 0.08 · w 0.90 · h 0.18 (high) - Front panel shapeSmooth, uninterrupted front panel forming a symmetrical V that widens toward the waistband and narrows centrally toward the crotch.
1 region
x 0.15 · y 0.18 · w 0.70 · h 0.60 (high) - Edge stitchingSingle-row topstitching visible along waistband and leg openings, matching the fabric color.
1 region
x 0.05 · y 0.08 · w 0.90 · h 0.72 (medium) - Crotch stripNarrow, straight crotch strip with squared end at the bottom, without visible additional panels or overlays.
1 region
x 0.43 · y 0.62 · w 0.14 · h 0.24 (high)
Other
Studio-style flat-lay product photograph on a light neutral background with even diffuse lighting and soft shadowing beneath the garment.
- BackgroundUniform light gray background filling the frame.
- Lighting and shadowEven, diffuse lighting with a soft shadow visible beneath and slightly to the left of the garment, indicating overhead light.
1 region
x 0.18 · y 0.54 · w 0.64 · h 0.28 (medium) - Shot compositionCentered flat-lay composition with the thong occupying most of the horizontal frame and clear margins of background around the product.
Colors
solid black· main fabric#1B1A16- Overall silhouetteFlat-lay single-piece thong with a low, straight waistband at top and a V-shaped front that tapers to a narrow vertical crotch strip at the bottom center.
- 02

Product
Flat-laid thong with a black knit outer fabric, contrasting teal striped inner gusset panel, centered teal crescent printed on the front waistband, and visible topstitching along seams and waistband.
- Overall shapeThong silhouette laid flat, V-shaped front panel that tapers to a narrow vertical rear strip; waistband forms a continuous slim band across the top of the image.
1 region
x 0.05 · y 0.12 · w 0.90 · h 0.76 (high) - Main fabric color and textureSmooth black knit fabric comprising the waistband, outer front panels, and central vertical strip; appears matte with fine, even surface.
2 regions
x 0.05 · y 0.12 · w 0.90 · h 0.42 (high); x 0.45 · y 0.42 · w 0.10 · h 0.48 (high) - Contrasting gusset panelTeal-green triangular gusset insert with thin horizontal darker striping visible across the panel; panel sits inside the black front and fills the lower V area.
1 region
x 0.30 · y 0.40 · w 0.40 · h 0.42 (high) - Decorative printSmall teal crescent printed at the center of the waistband above the front panel.
1 region
x 0.47 · y 0.20 · w 0.06 · h 0.04 (high) - Seams and topstitchingSingle-line topstitching visible along the waistband edge and along the seam lines joining the gusset to the outer panels and the central strip.
2 regions
x 0.05 · y 0.12 · w 0.90 · h 0.20 (high); x 0.35 · y 0.40 · w 0.30 · h 0.45 (high)
Other
Product photographed flat on a plain light gray background with neutral overhead lighting and minimal shadow; centered composition with even exposure.
- Background and compositionLight neutral gray background that fills the frame; product centered and photographed flat from above.
- Lighting and shadowEven diffuse lighting with a faint soft shadow under the lower edge of the thong, indicating overhead illumination.
Colors
black· main fabric (waistband and outer panels)#13120Eteal green· gusset panel#55847Ateal green· waistband crescent print- Overall shapeThong silhouette laid flat, V-shaped front panel that tapers to a narrow vertical rear strip; waistband forms a continuous slim band across the top of the image.
- 03

Packaging
Flat resealable retail pouch with printed graphics, clear plastic hanger at top, large bilingual product name and a white product info label at lower right showing an illustration, size and color.
- Bag format and hangerSoft flat retail pouch with a centered clear plastic hanger clipped through a top fold; hanger hook protrudes above the bag.
1 region
x 0.38 · y 0.00 · w 0.24 · h 0.13 (high) - Brand logo“Lowercase logo with a circumflex over the u reading 'hûha' printed in green near the upper-center of the bag.”
1 region
x 0.36 · y 0.12 · w 0.28 · h 0.07 (high) - Primary product name English“Large bold brown headline reading 'Mineral Undies' centered on the bag.”
1 region
x 0.14 · y 0.30 · w 0.72 · h 0.16 (high) - Primary product name French“Large bold brown headline beneath the English reading 'Sous-vêtements minéraux'.”
1 region
x 0.13 · y 0.40 · w 0.74 · h 0.16 (high) - Technology callout“Smaller brown text under the headline reading 'with/avec SMARTCEL'.”
1 region
x 0.36 · y 0.56 · w 0.28 · h 0.04 (high) - Lower-right product info panelWhite rectangular label at lower right containing a line drawing of a thong and multiple small text fields and icons.
1 region
x 0.66 · y 0.70 · w 0.28 · h 0.21 (high) - Thong style text“Text on the white label reading 'HIGH RISE THONG TANGA TAILLE HAUTE' beneath the thong illustration.”
1 region
x 0.71 · y 0.80 · w 0.18 · h 0.06 (high) - Size label text“Small text on the white label in a column reading 'Size taille' with a peach icon and the text 'Peach/Pêche S/P'.”
1 region
x 0.83 · y 0.72 · w 0.10 · h 0.10 (medium) - Color label text“Small text on the white label reading 'Color couleur' with a filled black circle and the text 'Black/Noir'.”
1 region
x 0.83 · y 0.82 · w 0.10 · h 0.08 (medium) - Decorative abstract graphicsLarge abstract shapes and organic blobs printed across the bag in muted pastels and solid shapes including mustard yellow, peach, lavender, dark brown circle, and green leaf-like elements.
3 regions
x 0.00 · y 0.06 · w 0.34 · h 0.28 (high); x 0.64 · y 0.06 · w 0.36 · h 0.28 (high); x 0.00 · y 0.64 · w 0.40 · h 0.36 (high)
Other
Studio shot on a light gray background with even diffuse lighting, no visible props besides the packaging hanger and subtle shadow beneath the bag.
- Background and stagingBag photographed centered against a uniform light gray background with a soft shadow visible beneath it.
- LightingEven, diffuse studio lighting with minimal specular highlights and soft shadows around the bag edges.
- Image framingProduct is vertically oriented and centered in frame; top of the hanger is near the top edge and bottom of the pouch is near the bottom edge with small uniform margins left and right.
Colors
pale cream· background panelPackagingwarm brown· headline textPackaging#6B554Bmedium green· logoPackagingmustard yellow· large abstract shape (top left)Packaging#DAAD56dark brown· large circular graphic (lower left)Packaging#624536deep green· leaf and dot accentsPackagingwhite· white info labelPackaging- Bag format and hangerSoft flat retail pouch with a centered clear plastic hanger clipped through a top fold; hanger hook protrudes above the bag.
Documents & Data
Customer Reviews
3 total3 reviews · out of 5
High waist cotton thong
Very comfortable, super quality for the price.
Très satisfaite
Vraiment confortable.
J’adore
Confortable et flatteur
Q&A
7 answered- How many washes do these thongs typically last before showing signs of wear (e.g., holes, seam fraying) given the reported durability issues?
- We don't have a specific wash count, but some users have reported holes developing after a few washes, which is a known durability concern with this style.
- Does the zinc oxide infusion remain effective after regular washing, and what specific care (e.g., no fabric softener, cold wash) is recommended to preserve it?
- The zinc oxide is embedded in the fabric and should remain effective through regular washing. For best results, we recommend washing in cold water and avoiding fabric softener, as it can coat the fibers and reduce the mineral's performance.
- Does the high-waist design fit true to size for different body shapes, or is there a recommendation to size up for a comfortable fit?
- The high-waist design generally fits true to the size chart, but some users recommend sizing up for a looser fit, especially around the waist. We suggest checking the size guide and your measurements.
- What are the exact dimensions of the 'large gusset' compared to standard thongs?
- The large gusset measures 13.5 inches in length and 1.5 inches at its narrowest point, running the full length of the underwear — significantly longer than the typical thong gusset, which offers full coverage from front to back [1].
- Do Huha underwear actually prevent UTIs or yeast infections?
- They may reduce bacterial growth on the fabric due to zinc, but there is no proof they prevent internal infections; a microbiologist flagged the company's claims as unscientific.
- Are Huha thongs truly seamless under clothes?
- The low profile thong seams can show under yoga pants, especially lighter colors, but the gusset seam is not visible. Sizing is generally true to the chart.
- Is the high price justified?
- Many users feel the comfort and breathability are worth the cost, especially when bought on sale, but others say the durability doesn't warrant the premium.
Reddit Insights
5 threads · r/Healthyhooha, r/BuyCanadian, r/ethicalfashionReddit's discussions on Huha mineral thongs reveal a product praised for exceptional comfort and breathability but questioned for its antimicrobial claims, with some users reporting durability issues.
Positive comments highlight the softness, comfort, and perceived benefits for vaginal health, while negative comments focus on questionable science, occasional poor quality (holes), and high price. Overall, many recommend them despite reservations.
Themes
Use Cases
- Everyday comfortable underwear
- Wearing under tight clothing (leggings, yoga pants) with minimal lines
- Managing vaginal health concerns (bacterial overgrowth, infections)
Watch Out For
Compared To
vs Aerie
Huha is considered more comfortable than Aerie, which users say has declined in quality and increased in price.
vs Target underwear
Cheap Target underwear is noted to be more durable than Huha, which may develop holes.
Source Threads
Microbiologist flags questionable scientific claims
As a microbiologist, the incorrect nomenclature of the microorganisms is a red flag for me (species should be lowercase, whole name should be italicized).
u/biobeakerr/HealthyhoohaView thread →
User praises breathability and zinc infusion, hand washes them
I also bought Huha underwear, its tencel modal which is supposed to be more breathable than cotton. On the gusset, it also has zinc infused to reduce bacteria growth. Its not cheap so i only have a couple pair but i hand wash them after each use and they are great.
u/ChillyLolo98r/HealthyhoohaView thread →
Sworn-by comfort, recommends waiting for sales
I made the switch last year and won’t go back!!! Can’t say good enough things about the comfort level of these! I do recommend waiting for a sale, seems they have 1-2 times a year with good discounts to stock up.
u/sirmegsalotr/BuyCanadianView thread →
Mixed review: comfy but poor durability and no health benefit
I haven't noticed any changes in BV / yeast. I noticed that they generally don't hold up that well. I have cheap Target underwear that are twice as hold with no snags. But the lining on the Huha underwear has holes in it. I do think they are really comfy, but for the price and how they haven't held up well, I won't repurchase.
u/Ok_Landscape_9386r/ethicalfashionView thread →
Thong seams visible under yoga pants but gusset seam okay
I agree that the low profile thong seams show under yoga pants, although I don’t notice it as much with black leggings. You at least don’t have to worry about the gusset seam as it goes all the way around, it’s moreso the edges/top of the underwear that might show.
u/ProperBingtownLadyr/ethicalfashionView thread →