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A little structure. This supportive, underwired top is chic and functional. It offers just what you want—moderate bust coverage and support.
Made with EcoRib, a sexy stretch-ribbed swim fabric made from unused nylon.
Fabric Guide
BioSculpt
Plant-based raw material sourced from castor bean.
• Organic alternative to fossil fuel based nylon
• Extra lycra content for strategic support
EcoLux
Made from a blend of recycled nylon and Lycra.
• Superfine matte jersey
• Superior stretch
EcoTex
Made from a nylon and Lycra blend.
• Superfine, scrunchie, touch-me texture
• Sustainably made in California
EcoCotton
Made from a blend of recycled cotton and Tencel.
• A super soft and lightweight knit
• Sustainably made in California
EcoRib
A sexy, stretch-ribbed fabric made from recycled Nylon fabric scraps.
• Lightweight, breathable + form flattering
• Production saves 33 liters of water/meter of fabric
• Sustainably made in California
EcoLinen
Made from 100% Linen.
• Breathable
• Earth friendly + biodegradable
Organic Rib
Made from a blend of sustainable Tencel, organic cotton, and Spandex.
• Super soft
• For texturized, ribbed beachwear
• Sustainably made in California
• GOTS Certified Organic Cotton
• OEKO-TEX certified, Non-Toxic + low impact dyes
Metallic
Made from a Nylon, Spandex, and Metalized Polyester blend.
• Silky soft
• Jersey Stretch
EcoSoft
A super soft plant-based fleece blend made from 60% hemp and 40% organic cotton.
• 99% Compostable and biodegradable
• GOTS Certified Organic Cotton
• Organically grown without pesticides
• OEKO-TEX certified, non-toxic + low impact dyes
Fabric:
Essential Colors:
Limited Edition:
Find My Size
Demi Underwire Top - Sea Green EcoRib
Coverage:
Size up for more coverage.
• Underwire for fit + shape
• Wide straps for support
• Ties in the back for adjustability
• Princess seams
• Fully lined
Model is 5'11" and is wearing a size M.
Find My Size:
Measure
• Cup: Match your bra cup size.
• Underbust: Measure around your ribcage directly below your bust. This is not the same as your bra size.
• Waist: Measure around the smallest part of your waistline, keep the tape a bit loose.
• Hip: Measure around the fullest part of your body.
Still not sure about fit or style? Start a Live Chat with our fit experts.
Fit Finder
Measuring Guide
Size Chart
Enter your measurements below to find your recommended size.
| Size | XS | S | M | L | XL | 14 |
| US Size | 4 | 6 | 8 | 10 | 12 | 14 |
| Underbust | 28 - 29 | 30 - 31 | 32 - 33 | 34 - 35 | 36 - 37 | 37 - 38 |
| Cup | A | B | C | D | DD | DD |
| Size | US | UK | EU | AU |
| XS | 2 - 4 | 6 - 8 | 32 - 34 | 4 - 6 |
| S | 6 | 10 | 34 - 35 | 6 - 8 |
| M | 8 | 12 | 35 - 36 | 10 - 12 |
| L | 10 | 14 | 36 - 37 | 12 - 14 |
| XL | 12 | 16 | 37 - 38 | 14 - 16 |
Still not sure about the fit or style? We’re here to help!
Size up for more coverage.
• Underwire for fit + shape
• Wide straps for support
• Ties in the back for adjustability
• Princess seams
• Fully lined
Model is 5'11" and is wearing a size M.
Find My Size:
Measure
• Cup: Match your bra cup size.
• Underbust: Measure around your ribcage directly below your bust. This is not the same as your bra size.
• Waist: Measure around the smallest part of your waistline, keep the tape a bit loose.
• Hip: Measure around the fullest part of your body.
Still not sure about fit or style? Start a with our fit experts.
Handwash in cold water, dry flat.
83% Recycled Nylon + 17% Lycra
Made from EcoRib - a sexy, stretch-ribbed swim fabric made from nylon fabric scraps. It's lightweight, breathable and form flattering. Our EcoRib fabric is textile crafted by a mechanical regeneration system that saves .63 liters of oil and 33 liters of water per meter of fabric. Sustainably made in California.
In our mission to cut plastic, this product comes in biodegradable and recyclable packaging.
Styled by You
Show us how you style your #VitaminAswim
| Fit |
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
|
| Quality |
Rated 5 out of 5
|
| Support |
Rated 4 out of 5
|
Most comfy top EVER!
The Demi top is hands down my favorite bikini top. It's so soft, and comfortable to wear all day. I'm a 36D and bought a size 10. The fabric does gap a bit in the cups, but overall it's a good fit. I want one in every color!
| Fit |
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
|
|---|---|
| Quality |
Rated 5 out of 5
|
| Support |
Rated 5 out of 5
|
Vitamin A Swim
Hi Maddy,
We love to hear this :)
xx
Very soft material with great coverage
I love the Demi underwire top. I am a 34D got a size medium and it fits well and also looks really good. I love the soft material as well.
| Fit |
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
|
|---|---|
| Quality |
Rated 5 out of 5
|
| Support |
Rated 4 out of 5
|
Vitamin A Swim
💛
Supportive and cute!
Love this top, great moderate coverage
| Fit |
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
|
|---|---|
| Quality |
Rated 5 out of 5
|
| Support |
Rated 5 out of 5
|
Vitamin A Swim
So happy to hear you are loving the Demi top 💛
Sustainability is Sexy
Sustainability is Sexy
Our Promise
We believe style + sustainability are inseparable. All of our bikinis and bodysuits are sustainably made in California, from plant-based and recycled materials.
Super Natural.
As a proud member of 1% For the Planet, we give back to organizations who work to protect our oceans and the environment.
