Login

Cart

Your cart is empty

Women's Organic Cotton Underwear in Black Mara

Incorporating bespoke KikoRomeo designs with super-soft organic cotton, these Black Mara underwear sets will bring vibrancy, style and sustainability to your underwear drawer!

Choose from a bikini, thong, plain boy shorts or our branded Y.O.U boy shorts, as well as bralettes and great value packs. 

100% GOTS certified organic cotton, Fairtrade and PETA-approved vegan. 

Every Black Mara item purchased will provide a pair of underwear to girls in the Maasai communities of Oloishobor and Olorgesailie, as well as supporting the work of the Ajuma Foundation in Kenya. **

Sort by
Women's organic cotton thong - Black Mara design - Y.O.U underwearWomen's organic cotton thong - Black Mara design - Y.O.U underwear
Women's organic cotton thong - Black Mara design Sale price£14.00
Colour
(4.9)
Women's organic cotton low - rise bikini bottoms - Black Mara design - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - Black Mara design - Y.O.U underwear
Women's organic cotton low-rise bikini knickers - Black Mara design Sale price£16.00
Colour
(5.0)
model wearing organic cotton boy shorts black mara- You Underwearmodel wearing organic cotton boy shorts black mara- You Underwear
Women's organic cotton boyshorts - Black Mara design Sale price£17.50
Colour
(5.0)
A photo of a model wearing the YOU Underwear branded boyshorts in the black mara print. The photo is zoomed in so we can see from the model's stomach to their upper-thigh. She has her right arm on her hip and the other at her side. She is wearing a pink feather bower which we can see in the photo.A close up photo of a model wearing the YOU Underwear boyshorts with you elastic in black mara. The photo is zoomed in so we can see from the model's upper stomach to their mid thigh. They are facing the camera with their hands sides.
Women’s organic cotton boyshorts with Y.O.U elastic - Black Mara design Sale price£17.50
Colour
(5.0)
Women's organic cotton bralette - Black Mara design - Y.O.U underwearWomen's organic cotton bralette - Black Mara design - Y.O.U underwear
Women's organic cotton bralette - Black Mara design Sale price£30.00
Colour
(4.8)
Women's organic cotton thongs - Mara design - Pack of 3 - Y.O.U underwearWomen's organic cotton thongs - Mara design - Pack of 3 - Y.O.U underwear
Women's organic cotton thongs - Mara design - Pack of 3 Sale price£36.00
Colour
(4.9)
Women's organic cotton matching bralette and thong set - Black Mara design - Y.O.U underwearWomen's organic cotton matching bralette and thong set - Black Mara design - Y.O.U underwear
Women's organic cotton matching bralette and thong set - Black Mara design Sale price£40.00
Colour
Women's organic cotton matching bralette and bikini set - Black Mara design - Y.O.U underwearWomen's organic cotton matching bralette and bikini set - Black Mara design - Y.O.U underwear
Women's organic cotton matching bralette and low-rise bikini set - Black Mara design Sale price£42.00
Colour
Women's organic cotton low - rise bikini bottoms - Mara design - Pack of 3 - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - Mara design - Pack of 3 - Y.O.U underwear
Women's organic cotton low-rise bikini knickers - Mara design - Pack of 3 Sale price£42.00
Colour
(5.0)
Women's organic cotton matching bralette and plain boy shorts set - Black Mara design - Y.O.U underwearWomen's organic cotton matching bralette and plain boy shorts set - Black Mara design - Y.O.U underwear
Women's organic cotton matching bralette and plain boyshorts set - Black Mara design Sale price£43.50
Colour
(5.0)
A photo of a model wearing the YOU Underwear bralette and branded boyshorts in the black mara print. She is standing in front of a bright green and pink coloured bus, facing the camera. She has a pink feather bower draped across her arms and big brown sunglasses. She is standing with her right hand on her hip and the other adjusting her sunglasses.A photo of a model wearing the YOU Underwear bralette and boyshorts in black mara. The photo is zoomed in so we can see from the model's shoulder to their mid thigh. They are facing the camera, with their hands at their sides. The background is busy and colourful with greenery, flags and camping chairs.
Women's organic cotton matching bralette and Y.O.U boyshorts set - Black Mara design Sale price£43.50
Colour
Women's organic cotton plain boy shorts - Mara design - Pack of 3 - Y.O.U underwearWomen's organic cotton plain boy shorts - Mara design - Pack of 3 - Y.O.U underwear
Women's organic cotton plain boyshorts - Mara design - Pack of 3 Sale price£46.50
Colour
(5.0)
Women’s organic cotton boy shorts with Y.O.U elastic - Mara design - Pack of 3 - Y.O.U underwearWomen’s organic cotton boy shorts with Y.O.U elastic - Mara design - Pack of 3 - Y.O.U underwear
Women’s organic cotton boyshorts with Y.O.U elastic - Mara design - Pack of 3 Sale price£46.50
Colour
(5.0)
Women's organic cotton thongs - Mara design - Pack of 5 - Y.O.U underwearWomen's organic cotton thongs - Mara design - Pack of 5 - Y.O.U underwear
Women's organic cotton thongs - Mara design - Pack of 5 Sale price£56.00
Colour
(4.9)
Women's organic cotton low - rise bikini bottoms - Mara design - Pack of 5 - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - Mara design - Pack of 5 - Y.O.U underwear
Women's organic cotton low-rise bikini knickers - Mara design - Pack of 5 Sale price£64.00
Colour
(5.0)
Women's organic cotton plain boy shorts - Mara design - Pack of 5 - Y.O.U underwearWomen's organic cotton plain boy shorts - Mara design - Pack of 5 - Y.O.U underwear
Women's organic cotton plain boyshorts - Mara design - Pack of 5 Sale price£70.00
Colour
(5.0)
Women’s organic cotton boy shorts with Y.O.U elastic - Mara design - Pack of 5 - Y.O.U underwearWomen’s organic cotton boy shorts with Y.O.U elastic - Mara design - Pack of 5 - Y.O.U underwear
Women’s organic cotton boyshorts with Y.O.U elastic - Mara design - Pack of 5 Sale price£70.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms - Black Mara print - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms - Black Mara print - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers - Black Mara print Sale price£16.00
Colour
(5.0)
A close up photo of a model wearing the YOU Underwear mid-rise bikini knickers in red mara. She is facing the camera, with her hands behind her back and the photo is zoomed in so we can see from the bottom of her red mara bralette to her upper thigh.A close up photo of a model wearing the YOU Underwear mid-rise bikini knickers in red mara. She is facing away from the camera and the photo is zoomed in so we can see from the bottom of her red mara bralette to her upper thigh.
Women's organic cotton mid-rise bikini knickers - Red Mara print Sale price£16.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms - Yellow Mara print - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms - Yellow Mara print - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers - Yellow Mara print Sale price£16.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms - Green Mara print - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms - Green Mara print - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers - Green Mara print Sale price£16.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms - Blue Mara print - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms - Blue Mara print - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers - Blue Mara print Sale price£16.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms in black - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms in black - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers in black Sale price£14.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms in navy blue - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms in navy blue - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers in navy blue Sale price£14.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms in light grey - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms in light grey - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers in light grey Sale price£14.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms in white - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms in white - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers in white Sale price£14.00
Colour
Women's organic cotton mid - rise bikini bottoms in almond - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms in almond - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers in almond Sale price£14.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms in chestnut - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms in chestnut - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers in chestnut Sale price£14.00
Colour
(5.0)
model wearing organic cotton mid rise bikini light pink - You Underwearmodel wearing organic cotton mid rise bikini light pink - You Underwear
Women's organic cotton mid-rise bikini knickers in light pink Sale price£14.00
Colour
(5.0)
Women's organic cotton Mara mid - rise bikini bottoms - pack of 3 - Y.O.U underwearWomen's organic cotton Mara mid - rise bikini bottoms - pack of 3 - Y.O.U underwear
Women's organic cotton Mara mid-rise bikini knickers - pack of 3 Sale price£42.00
Colour
(5.0)
Women's organic cotton Mara mid - rise bikini bottoms - pack of 5 - Y.O.U underwearWomen's organic cotton Mara mid - rise bikini bottoms - pack of 5 - Y.O.U underwear
Women's organic cotton Mara mid-rise bikini knickers - pack of 5 Sale price£64.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms in cocoa (dark nude) - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms in cocoa (dark nude) - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers in cocoa (dark nude) Sale price£14.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms in light blue - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms in light blue - Y.O.U underwear
Women's organic cotton mid-rise bikini knickers in light blue Sale price£14.00
Colour
(5.0)

Our women's collection of light grey underwear is available in a range of sizes so you can find your best fit. Choose from our lightweight grey bralette or non-wired grey bra and create the comfiest grey matching set by picking your favourite underwear style. We've got you covered with plus size underwear styles from UK size 6 to 22. All styles are designed for flattering all day comfort from grey thongs to grey boyshorts as well as grey underwear multipacks to save.

Size Inclusive

Our bralette comes in XS to L and our non-wired bra offers more support up to an F cup with 4 different band sizes. Underwear styles from UK size 6 to 22.

Comfort & Fit

Soft organic cotton across all styles as well as matching underwear sets and underwear multipacks. All our bralettes and non-wired bras come with crossable straps with a double layered front.

Fairtrade & Organic Cotton

All our underwear is made using 100% GOTS Certified Organic Cotton and is Fairtrade and PETA Approved Vegan. Every purchase makes a difference with our Buy One Give One model donating to people in need.