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.
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Gossamer Mesh Hip G Thong Underwear - Wine Berry
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Gossamer Mesh Hip Bikini Underwear - Wine Berry
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Triple Mesh Hip Bikini Underwear - Blurred Floral
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Triple Mesh Hip G Thong Underwear - Blurred Floral
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Gossamer Mesh Hip G Thong Underwear - Blue Hydrangea
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Gossamer Mesh Hip Bikini Underwear - Icy Blue
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Gossamer Mesh Hip Bikini Underwear - Blue Hydrangea
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Gossamer Mesh Hip Bikini Underwear - Crimson
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Cabana Cotton Hip Bikini Underwear - Crimson
Regular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Cabana Cotton Hip G Thong Underwear - Crimson
Regular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Cabana Cotton Hi Cut Brief Underwear - Crimson
Regular price $22.00Sale price $22.00 Regular price Compare at $0.00Unit price / per -
Cabana Cotton Hip G Thong Underwear - Black
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Cabana Cotton Hip G Thong Underwear - Champagne
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Cabana Cotton Hip G Thong Underwear - White
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Gossamer Mesh Hip Bikini Underwear - Champagne
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Gossamer Mesh Hip Bikini Underwear - Black
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Cabana Cotton Hip Bikini Underwear - White
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Cabana Cotton Hip Bikini Underwear - Black
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Gossamer Mesh Hip G Thong Underwear - Champagne
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per -
Gossamer Mesh Hip G Thong Underwear - Black
3 / $ 48.00or Regular $ 20.00 eachRegular price $20.00Sale price $20.00 Regular price Compare at $0.00Unit price / per
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.
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.













