Woman stretching in beige ribbed Oya Femtech activewear set against dark background
Woman wearing beige ribbed femtech activewear set with crop top and high-waist briefs on gray background
Woman wearing beige ribbed femtech activewear set with crop top and high-waisted bottoms on gray background
Rear view of woman wearing beige ribbed high-waist underwear and matching cropped tank from Oya Femtech Apparel
Comparison table showing Oya Femtech apparel features: flame resistant, cooling by 2 degrees, 3x breathable, anti-microbial, sweat resistant versus other activewear
Close-up of woman wearing beige striped high-waisted femtech underwear with cooling fabric
Close-up of woman wearing beige striped activewear set from Oya Femtech with cooling moisture control technology
Woman stretching in beige ribbed Oya Femtech activewear set against dark background
Woman wearing beige ribbed femtech activewear set with crop top and high-waist briefs on gray background
Woman wearing beige ribbed femtech activewear set with crop top and high-waisted bottoms on gray background
Rear view of woman wearing beige ribbed high-waist underwear and matching cropped tank from Oya Femtech Apparel
Comparison table showing Oya Femtech apparel features: flame resistant, cooling by 2 degrees, 3x breathable, anti-microbial, sweat resistant versus other activewear
Close-up of woman wearing beige striped high-waisted femtech underwear with cooling fabric
Close-up of woman wearing beige striped activewear set from Oya Femtech with cooling moisture control technology

PFA-Free Flame Resistant, Breathable Underwear

  • A luxuriously soft Supima flame-resistant cotton knit used by the U.S. Military
  • Cools body temperature by up to 2 degrees Celsius
  • Breathable, moisture-wicking fabric
$52.00
Product Features

Health

  • Toxin-Free: Free of 80,000 toxic chemicals (like BPA, PFA, and PFOAs). No endocrine disruptors!
  • Breathable: Stay cool and comfy with ventilated mesh – bye-bye crotch sweat!
  • Cost Effective: Cheaper than a case of BV and comfier than a yeast infection or a UTI!

Style

  • Full Coverage: Full coverage both in the front and back for security and comfort
  • Comfortable Fit: A wider waistband and leg openings prevent digging into the skin and minimize the chances of discomfort or irritation

Function

  • No More Sweat or Odor: No more sweaty or funky vaginas with breathable, anti-odor mesh.
  • Super Absorbent: Absorbent insert sold separately.
  • 🇺🇸 Ethically Made In The USA
Fit
  • 📏 Fit: Comfort Fit, Sits Below Belly Button, Covers Full Cheek
  • 🧯 Perfect For: High-risk Environments and Outdoor Adventures
Fabric
  • PyroSafe by antex®, a flame-resistant cotton knit used by the U.S. Military
  • 60% Rayon, 25% Supima, 7% Polyester, 8% Spandex
  • All fabrics pass the stringent ASTM D6413-F2302 performance specification for flame resistance
  • All fabrics are free of BPA, PFOA, and PFA materials
Care
  • Wash on a delicate cycle in cold water 
  • Wash inside out with other synthetic fabrics
  • Wash separately from cotton items
  • Avoid fabric softener 
  • Tumble dry on low
More details Right

Product Overview

  • Health-Conscious Design: Made with skin-safe fabrics that are BPA-free, PFOA-free, and PFAS-free to protect sensitive skin and prevent irritation.

    Cooling Fabric: Advanced fabric reduces body temperature by up to 2 degrees for up to 100 washes.

    Stay-Put Comfort: Wide, secure waistband stays in place without digging, rolling, or slipping — no matter how you move. Full coverage on front and back.

    No-Ride Fit: Tailored legs and flat seams eliminate chafing, irritation, and constant readjustment for all-day ease.

  • Built from PyroSafe by Antex®, a flame-resistant cotton knit trusted by the U.S. Military, these boxer briefs deliver protection and performance in one.

    • Flame Resistant: Meets ASTM D6413-F2302 standards
    • Cooling Technology: Lowers body temperature by up to 2°F
    • 3X More Breathable: Helps prevent heat and moisture buildup
    • Anti-Microbial & Bio-Compatible: Fights odor and supports skin health
    • Sweat Resistant & PFAS/BPA-Free: Keeps you dry, fresh, and toxin-free

    Crafted from a premium blend — 60% Rayon, 25% Supima Cotton, 7% Polyester, and 8% Spandex — the result is a soft, cooling fabric that moves with your body while maintaining long-lasting durability.

  • Machine wash cold with like colors.

    Use mild detergent.

    Do not bleach or dry clean.

    Tumble dry low or hang dry to preserve flame-resistant properties and cooling performance.

  • Are these briefs safe for sensitive skin?

    Yes. They are made with hypoallergenic, toxin-free fabrics that is gentle on even the most sensitive skin.

    Does it help with sweat and odor control?

    Absolutely. The moisture-wicking mesh and quick-dry fibers keep you fresh, dry, and odor-free.

    Is it comfortable for all-day wear?

    Yes. The body-forming fit, smooth seams, and gentle support make it ideal for long hours of wear.

    What makes this bra different from others?

    Unlike traditional FR underwear, this design combines skin-safe, military-grade materials with breathable, moisture-managing technology for advanced comfort and protection.