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Organic Cotton Blue Underwear

Brighten up your underwear drawer with blue underwear. Choose from a range of shades, from flattering light blue bralettes to classic navy knickers, or a bright blue bra from our Mara Collection. Find your perfect fit from super-soft blue thongs to comfortable blue boyshorts. Feel put-together in a blue matching set, or save money on your favourite styles with our blue multipack knickers.

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Women's organic cotton bralette in light blue - Y.O.U underwearWomen's organic cotton bralette in light blue - Y.O.U underwear
Colour
(4.8)
Women's organic cotton bralette in navy blue - Y.O.U underwearWomen's organic cotton bralette in navy blue - Y.O.U underwear
Colour
(4.8)
Women's organic cotton bralette - Blue Mara design - Y.O.U underwearWomen's organic cotton bralette - Blue Mara design - Y.O.U underwear
Colour
(4.8)
Women's organic cotton bralette in a light blue with white stars pattern - Y.O.U underwearWomen's organic cotton bralette in a light blue with white stars pattern - Y.O.U underwear
Women's organic cotton bra in light blue - more supportive bra - Y.O.U underwearWomen's organic cotton bra in light blue - more supportive bra - Y.O.U underwear
Colour
(4.8)
Women's organic cotton bra in navy blue - more supportive style - Y.O.U underwearWomen's organic cotton bra in navy blue - more supportive style - Y.O.U underwear
Colour
(4.8)
Women's organic cotton bra in blue Mara print - more supportive style - Y.O.U underwearWomen's organic cotton bra in blue Mara print - more supportive style - Y.O.U underwear
Colour
(4.8)
Women's organic cotton low - rise bikini bottoms in light blue - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms in light blue - Y.O.U underwear
Colour
(5.0)
Women’s organic cotton low - rise bikini bottoms in navy blue - Y.O.U underwearWomen’s organic cotton low - rise bikini bottoms in navy blue - Y.O.U underwear
Women's organic cotton low - rise bikini bottoms - Blue Mara design - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - Blue Mara design - Y.O.U underwear
Women's organic cotton low - rise bikini bottoms - blue with white stars - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - blue with white stars - Y.O.U underwear
A photo of a model wearing the YOU Underwear thong in light blue. The model is standing facing away from the camera with their hands on their hips. The photo is zoomed in so we can see from the model's stomach to their upper thigh. The background is white.A photo of a model wearing the YOU Underwear thong in light blue. The model is standing facing the camera with their hands on their hips. The photo is zoomed in so we can see from the model's stomach to their upper thigh. The background is white.
Colour
(4.9)
Days of the Week Organic Cotton Underwear - pack of 7 thongs - Y.O.U underwearWomen's organic cotton thong in navy blue - Y.O.U underwear
Colour
(4.9)
Women's organic cotton thong - Blue Mara design - Y.O.U underwearWomen's organic cotton thong - Blue Mara design - Y.O.U underwear
Colour
(4.9)
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
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
Colour
(5.0)
A close up photo of a model wearing the YOU Underwear mid rise bikini knickers in the blue mara print. They are standing facing the camera with their hands at their sides. We can see from the model's stomach to their upper-thigh. There is a green field in the background.A close up photo of a model wearing the YOU Underwear mid rise bikini knickers in the blue mara print. They are standing facing away from the camera with their hands at their sides. We can see from the model's stomach to their upper-thigh. There is a green field in the background.
Women's organic cotton boy shorts in light blue - Y.O.U underwearWomen's organic cotton boy shorts in light blue - Y.O.U underwear
Colour
(5.0)
Women's organic cotton boy shorts in navy blue - Y.O.U underwearDays of the Week Organic Cotton Underwear - pack of 7 boy shorts - Y.O.U underwear
Colour
(5.0)
Women's organic cotton boy shorts - Blue Mara design - Y.O.U underwearWomen's organic cotton boy shorts - Blue Mara design - Y.O.U underwear
Colour
(5.0)
Days of the Week Organic Cotton Underwear - pack of 7 Y.O.U branded boy shorts - Y.O.U underwearWomen’s organic cotton boy shorts with Y.O.U elastic in navy blue - Y.O.U underwear
Women’s organic cotton boy shorts with Y.O.U elastic - Blue Mara design - Y.O.U underwearWomen’s organic cotton boyshorts with Y.O.U elastic - Blue Mara design
model wearing a light blue organic cotton matching set with a bralette and mid rise bikini knickers - You Underwearmodel wearing a light blue organic cotton matching set with a bralette and mid rise bikini knickers - You Underwear
Women's organic cotton matching bralette and thong set in light blue - Y.O.U underwearWomen's organic cotton matching bralette and thong set in light blue - Y.O.U underwear
Women's organic cotton matching bralette and boy shorts set - light blue - Y.O.U underwearWomen's organic cotton matching bralette and boy shorts set - light blue - Y.O.U underwear
Women's organic cotton matching bralette and low - rise bikini set - light blue - Y.O.U underwearWomen's organic cotton matching bralette and low - rise bikini set - light blue - Y.O.U underwear
Women's organic cotton matching bralette and plain boy shorts set - Blue Mara design - Y.O.U underwearWomen's organic cotton matching bralette and plain boy shorts set - Blue Mara design - Y.O.U underwear
Women's organic cotton matching bralette and bikini set - Blue Mara design - Y.O.U underwearWomen's organic cotton matching bralette and bikini set - Blue Mara design - Y.O.U underwear
A close up photo of a model wearing the YOU Underwear blue mara bralette and matching mid-rise bikini bottoms. The model is standing facing the camera, with their hands at their sides. The photo is zoomed in so we can see from the model's shoulders to their upper-thigh. There is a green, woody field in the background.A close up photo of a model wearing the YOU Underwear blue mara bralette and matching mid-rise bikini bottoms. The model is standing facing away from the camera, with their hands at their sides. The photo is zoomed in so we can see from the model's shoulders to their upper-thigh. There is a green, woody field in the background.
Women's organic cotton matching bralette and Y.O.U boyshorts set - Blue Mara designWomen's organic cotton matching bralette and Y.O.U boyshorts set - Blue Mara design
model wearing a blue mara patterned organic cotton matching set with a bralette and thong - You Underwearmodel wearing a blue mara patterned organic cotton matching set with a bralette and thong - You Underwear
Women's organic cotton matching bralette and bikini set - navy blue - Y.O.U underwearWomen's organic cotton matching bralette and bikini set - navy blue - Y.O.U underwear
Women's organic cotton matching bralette and thong set - navy blue - Y.O.U underwearWomen's organic cotton matching bralette and thong set - navy blue - Y.O.U underwear
Women's organic cotton matching bralette and Y.O.U boy shorts set - navy blue - Y.O.U underwearWomen's organic cotton matching bralette and Y.O.U boy shorts set - navy blue - Y.O.U underwear
model wearing a navy blue organic cotton matching set with a bralette and boyshorts - You Underwearmodel wearing a navy blue organic cotton matching set with a bralette and boyshorts - You Underwear
Women's organic cotton matching bralette and mid - rise bikini set - Navy blue - Y.O.U underwearWomen's organic cotton matching bralette and mid - rise bikini set - Navy blue - Y.O.U underwear
Women's organic cotton matching bralette and low - rise bikini set - blue with white stars pattern - Y.O.U underwearWomen's organic cotton matching bralette and low - rise bikini set - blue with white stars pattern - Y.O.U underwear
A photo of a woman with shoulder length brown hair wearing the YOU Underwear padded bralette in navy blue. They are standing facing the camera with their hands on their hips. The photo is zoomed in so we can see the model down to just above their belly button. There is a white background.A photo of a model wearing the YOU Underwear padded bralette in navy blue. She is standing facing away from the camera and the photo is cropped so we can see from her shoulders to her waist. There is a white background.
A photo of a model wearing the YOU Underwear padded bralette in light blue. She is standing facing the camera with both hands on her hips and smiling at the camera. The photo is cropped so we can see to the model's waist. There is a white background.A photo of a model wearing the YOU Underwear padded bralette in light blue. She is standing facing away from the camera with both hands on her hips. The photo is cropped so we can see from the model's neck to their hips. There is a white background.

Our womens collection of blue underwear is available in a range of sizes so you can find your best fit. Choose from our lightweight light blue bralette or non-wired bright blue bra and create the comfiest navy 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 blue thongs to blue boyshorts as well as blue 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.