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.