Collection: Underwear

The On Gossamer underwear collection blends softness, lightness, and a barely-there feel. Every piece is designed to move with you and stay invisible under your outfit.

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ON GOSSAMER UNDERWEAR

From silky micro-jersey to sheer mesh and smooth cotton, each style offers breathable comfort and a fit that feels like a second skin. Our underwear stays perfectly in place with no digging or rolling, making it your go-to for everyday ease. Pair your favorites with our match back Bras for a coordinated look, or explore Everyday Layers for effortless comfort all year long.

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FIT & COMFORT

• 1. How does On Gossamer underwear fit?
  On Gossamer underwear offers a second-skin fit that gently stretches without digging in.
  
• 2. Is the waistband soft or structured?
  Waistbands are soft and flexible, holding comfortably in place throughout the day.
  
• 3. Are On Gossamer underwear styles suitable for sensitive skin?
  Yes, the fabrics are lightweight, breathable, and suitable for sensitive skin.
  
• 4. Do they stay in place during daily wear?
  Each style stays put thanks to smooth finishes and elastic edges that don’t roll or pinch.
  
• 5. How do I Know my underwear size?
  Please refer to our "sizing guide" found on each underwear page for detailed instructions on how to find your perfect size.
  

STYLE & FABRIC

• 6. What styles and silhouettes of underwear does On Gossamer carry?
  Our underwear collection includes bikinis, briefs, thongs, hipsters, boyshorts and high cut styles.
  
• 7. Are the fabrics sheer or opaque?
  You’ll find both sheer mesh and opaque cotton styles for different coverage preferences.
  
• 8. Are there sustainable or recycled options?
  Select styles feature eco-friendly recycled microfibers and sustainable blends.
  
• 9. Are they seamless under tight clothing?
  Yes, most pieces are seamless or have bonded edges for an invisible look under clothing.
• 10. Do new underwear collections include matching bra sets?
  Most of our underwear designs are made to coordinate with matching bras from the same collection.

CARE & WEAR

• 11. How should I wash my On Gossamer underwear?
  Hand wash cold and line dry to maintain elasticity and softness.
  
• 12. How often should I replace my underwear?
  We recommend refreshing your underwear collection every six to eight months for comfort and hygiene
  
• 13. Can I tumble-dry On Gossamer underwear?
  Avoid tumble-drying, as heat can damage delicate fibers and elastic.