The 3 Best Organic Basic Bras For All Sizes

The 3 Best Organic Basic Bras For All Sizes

Your bra can make or break your day, but when it is crafted from organic materials, it’s a win for you and the planet. At ThirdLove, we’re thrilled to bring you our top picks for the best bras that cater to all sizes. Whether you’re after comfort, support, or sustainability, our Organic Cloud Cotton Collection checks all the boxes and offers something special for everyone. Let’s dive into why these organic basic bras deserve a spot in your wardrobe!

Why Choose Organic Bras?

We all love a bra that is as comfortable as it is pretty. Personally, once I switched to organic cotton bras, there was no going back. Why? They are soft, breathable, and oh-so-gentle on the skin. Plus, knowing they are made with the environment in mind makes you feel good inside and out. Organic cotton bras skip the harsh chemicals and synthetic materials that could irritate your skin, making them the perfect choice for women with sensitive skin.

Seamless Stretch Cotton Wireless Bra

$68

374 Reviews

Rated 4.3 out of 5 stars from 374 reviews

Seamless Stretch Cotton Wireless Bra

$68

374 Reviews

Rated 4.3 out of 5 stars from 374 reviews

Precise Size™ Conversion

See all Precise Size™ conversions
Precise Size™ by bra size (band and cup)
Precise Size™ Bra sizes
XS 30C, 30C½
XS+ 30D, 30D½, 30E
XS++ 30F, 30G
SM 32B, 32B½, 32C, 32C½, 34A, 34A½
SM+ 30E½, 32D, 32D½, 32E
SM++ 32F, 32G
MD 34B, 34B½, 34C, 34C½, 36A, 36A½
MD+ 32E½, 34D, 34D½, 34E
MD++ 32H, 34F, 34G
LG 36B, 36B½, 36C, 36C½
LG+ 36D, 36E
LG++ 34H, 36F, 36G
XL 38B, 38B½, 38C
XL+ 38D, 38E
XL++ 36H, 38F, 38G, 38H, 40G
1X 40B, 40C
2X 40D, 40E, 40F, 42B, 42C
3X 42D, 42E, 42F, 44B, 44C, 44D, 44E, 46B, 46C, 46D

Select a Precise Size™

Size guide

What to Look for in Organic Bras

When shopping for organic bras, two key features stand out. First, the fabric: look for one that uses premium-quality cotton. ThirdLove’s Organic Cotton Cloud Collection uses cotton that is irresistibly soft and naturally breathable. It keeps you cool and comfortable all day.

Secondly, support and comfort. Just because a bra is organic doesn’t mean it should skimp on support. The best organic bras should provide a balance of gentle structure and all-day comfort. Whether rocking a wireless design, an unlined style, or a full-coverage bra, choosing a cotton bra should not compromise your support or comfort.

Best ThirdLove’s Organic Basic Bras for All Sizes

Organic Cotton Cloud Wireless

This bra is a go-to when you want freedom without sacrificing support. It’s made from that dreamy organic cotton I mentioned, and the wireless design will make you feel like you are wearing nothing at all—in the best way possible.

Organic Cloud Cotton Wireless Bra

$35

581 Reviews

Rated 3.7 out of 5 stars from 581 reviews

Organic Cloud Cotton Wireless Bra

$35

581 Reviews

Rated 3.7 out of 5 stars from 581 reviews

Precise Size™ Conversion

See all Precise Size™ conversions
Precise Size™ by bra size (band and cup)
Precise Size™ Bra sizes
XS 30C, 30C½
XS+ 30D, 30D½, 30E
XS++ 30F, 30G
SM 32B, 32B½, 32C, 32C½, 34A, 34A½
SM+ 30E½, 32D, 32D½, 32E
SM++ 32F, 32G
MD 34B, 34B½, 34C, 34C½, 36A, 36A½
MD+ 32E½, 34D, 34D½, 34E
MD++ 32H, 34F, 34G
LG 36B, 36B½, 36C, 36C½
LG+ 36D, 36E
LG++ 34H, 36F, 36G
XL 38B, 38B½, 38C
XL+ 38D, 38E
XL++ 36H, 38F, 38G, 38H, 40G
1X 40B, 40C
2X 40D, 40E, 40F, 42B, 42C
3X 42D, 42E, 42F, 44B, 44C, 44D, 44E, 46B, 46C, 46D

Select a Precise Size™

Size guide

Organic Cotton Cloud Unlined

This one’s for days when you want a natural shape with a lightweight feel. This bra combines a minimalist design with soft, unlined cups that effortlessly enhance your silhouette. The best part is that it is supportive yet subtle, making it a perfect choice for layering under tees when lounging.

Seamless Stretch Cotton Wireless Bralette

$48

98 Reviews

Rated 3.8 out of 5 stars from 98 reviews

Seamless Stretch Cotton Wireless Bralette

$48

98 Reviews

Rated 3.8 out of 5 stars from 98 reviews

Organic Cotton Cloud Perfect Coverage

Need a little more structure? The Organic Cotton Cloud Perfect Coverage delivers with its full-coverage cups and smooth organic cotton finish. It works perfectly with all bust sizes for someone seeking extra support.

Organic Cloud Cotton Perfect Coverage Bra

$74

1,947 Reviews

Rated 4.3 out of 5 stars from 1,947 reviews

Organic Cloud Cotton Perfect Coverage Bra

$74

1,947 Reviews

Rated 4.3 out of 5 stars from 1,947 reviews

Cup

Size

Size guide

Why choose ThirdLove for Organic Bras?

ThirdLove isn’t just about making great bras—we are all in on sustainability, too. We want you to wear bras that don’t just look and feel good—they are good. We are a brand that cares about the planet as much as your comfort.

And the thoughtfulness of our designs? Every ThirdLove bra is designed with real women in mind. From inclusive sizing to innovative fit technology, ThirdLove ensures each organic bra provides the perfect softness, breathability, and support. Whether petite, full-busted or somewhere in between, you can trust that there’s a ThirdLove organic bra tailored to your needs.

Find Your Perfect Organic Basic Bra Today

Ready to find your match? The Fitting Room is our online tool for helping you find your ideal size and style. With a few simple questions, we’ll match you with the perfect ThirdLove bra tailored to your needs. 

Whether you love the effortless bliss of the Organic Cotton Cloud Wireless Bra or the structured elegance of the Perfect Coverage, if you are looking for 100 percent cotton bras, ThirdLove has something for you.