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Organic Cotton Bikini Knickers

Choose classic comfort in our bikini knickers made from breathable organic cotton. Find your perfect fit with a low rise or mid rise style. Available in multipacks, UK size 6 to 22.

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Women’s organic cotton low - rise bikini bottoms in black - Y.O.U underwearWomen’s organic cotton low - rise bikini bottoms in black - Y.O.U underwear
Women’s organic cotton low-rise bikini bottoms in black Sale price£14.00
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 bottoms in black Sale price£14.00
Colour
Women’s organic cotton low - rise bikini bottoms in white - Y.O.U underwearWomen’s organic cotton low - rise bikini bottoms in white - Y.O.U underwear
Women’s organic cotton low-rise bikini bottoms in white 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 bottoms in white Sale price£14.00
Colour
Days of the Week Organic Cotton Underwear - pack of 7 low - rise bikinis - Y.O.U underwearWomen’s organic cotton low - rise bikini bottoms in light grey (heather grey) - Y.O.U underwear
Women’s organic cotton low-rise bikini bottoms in light grey (heather grey) 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 bottoms in light grey Sale price£14.00
Colour
Women's organic cotton low - rise bikini bottoms in almond (light nude) - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms in almond (light nude) - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms in almond (light nude) Sale price£14.00
Colour
(5.0)
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 bottoms in almond Sale price£14.00
Colour
Women's organic cotton low - rise bikini bottoms in chestnut (mid nude) - Y.O.U underwearDays of the Week Organic Cotton Underwear - pack of 7 low - rise bikinis - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms in chestnut (mid nude) 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 bottoms in chestnut Sale price£14.00
Colour
(5.0)
Women's organic cotton low - rise bikini bottoms in cocoa (dark nude) - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms in cocoa (dark nude) - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms in cocoa (dark nude) Sale price£14.00
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 bottoms in cocoa (dark nude) Sale price£14.00
Colour
(5.0)
Women's organic cotton low - rise bikini bottoms in light pink - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms in light pink - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms in light pink Sale price£14.00
Colour
Women's organic cotton mid - rise bikini bottoms in light pink - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms in light pink - Y.O.U underwear
Women's organic cotton mid-rise bikini bottoms in light pink Sale price£14.00
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 in navy blue 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 bottoms in navy blue Sale price£14.00
Colour
(5.0)
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
Women's organic cotton low-rise bikini bottoms in light blue Sale price£14.00
Colour
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 bottoms in light blue Sale price£14.00
Colour
(5.0)
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 bottoms - Black Mara design Sale price£16.00
Colour
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 bottoms - Black Mara print Sale price£16.00
Colour
Women's organic cotton low - rise bikini bottoms - Red Mara design - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - Red Mara design - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms - Red Mara design Sale price£16.00
Colour
Women's organic cotton mid - rise bikini bottoms - Red Mara print - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms - Red Mara print - Y.O.U underwear
Women's organic cotton mid-rise bikini bottoms - Red Mara print Sale price£16.00
Colour
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 Mara design Sale price£16.00
Colour
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 bottoms - Blue Mara print Sale price£16.00
Colour
Women's organic cotton low - rise bikini bottoms - Green Mara design - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - Green Mara design - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms - Green Mara design Sale price£16.00
Colour
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 bottoms - Green Mara print Sale price£16.00
Colour
Women's organic cotton low - rise bikini bottoms - Yellow Mara design - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - Yellow Mara design - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms - Yellow Mara design Sale price£16.00
Colour
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 bottoms - Yellow Mara print Sale price£16.00
Colour
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
Women's organic cotton low-rise bikini bottoms - blue with white stars Sale price£16.00
Colour
Women's organic cotton low-rise bikini bottoms - grey with white cloudsWomen's organic cotton low-rise bikini bottoms - grey with white clouds
Women's organic cotton low-rise bikini bottoms - grey with white clouds Sale price£16.00
Colour
Women's organic cotton low - rise bikini bottoms - yellow with white flowers - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - yellow with white flowers - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms - yellow with white flowers Sale price£16.00
Colour
Women's organic cotton low - rise bikini bottoms - pink with white dots - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - pink with white dots - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms - pink with white dots Sale price£16.00
Colour
Women's organic cotton low - rise bikini bottoms - pack of 3 - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - pack of 5 - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms - pack of 3 Sale price£36.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms - pack of 3 - Y.O.U underwearDays of the Week Organic Cotton Underwear - pack of 7 mid - rise bikini - Y.O.U underwear
Women's organic cotton mid-rise bikini bottoms - pack of 3 Sale price£36.00
Colour
(5.0)
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 bottoms - Mara design - Pack of 3 Sale price£42.00
Colour
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 bottoms - pack of 3 Sale price£42.00
Colour
Women's organic cotton low - rise bikini bottoms - pack of 5 - Y.O.U underwearWomen's organic cotton low - rise bikini bottoms - pack of 5 - Y.O.U underwear
Women's organic cotton low-rise bikini bottoms - pack of 5 Sale price£56.00
Colour
(5.0)
Women's organic cotton mid - rise bikini bottoms - pack of 5 - Y.O.U underwearWomen's organic cotton mid - rise bikini bottoms - pack of 5 - Y.O.U underwear
Women's organic cotton mid-rise bikini bottoms - pack of 5 Sale price£56.00
Colour
(5.0)
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 bottoms - Mara design - Pack of 5 Sale price£64.00
Colour
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 bottoms - pack of 5 Sale price£64.00
Colour
Days of the Week Organic Cotton Underwear - pack of 7 low - rise bikinis - Y.O.U underwearDays of the Week Organic Cotton Underwear - pack of 7 low - rise bikinis - Y.O.U underwear
Days of the Week Organic Cotton Underwear - pack of 7 low-rise bikinis Sale price£84.00
Days of the Week Organic Cotton Underwear - pack of 7 mid - rise bikini - Y.O.U underwearDays of the Week Organic Cotton Underwear - pack of 7 mid - rise bikini - Y.O.U underwear
Days of the Week Organic Cotton Underwear - pack of 7 mid-rise bikini Sale price£84.00
Women's organic cotton matching bralette and low - rise bikini set - black - Y.O.U underwearmodel wearing an organic cotton matching set with a black bralette and low rise bikini- You Underwear
Women's organic cotton matching bralette and low-rise bikini set - black Sale price£38.00
Colour
Women's organic cotton matching bralette and mid - rise bikini set - black - Y.O.U underwearWomen's organic cotton matching bralette and mid - rise bikini set - black - Y.O.U underwear
Women's organic cotton matching bralette and mid-rise bikini set - black Sale price£38.00
Colour
Women's organic cotton matching bralette and low - rise bikini set - white - Y.O.U underwearWomen's organic cotton matching bralette and low - rise bikini set - white - Y.O.U underwear
Women's organic cotton matching bralette and low-rise bikini set - white Sale price£38.00
Colour
Women's organic cotton matching bralette and mid - rise bikini set - white - Y.O.U underwearWomen's organic cotton matching bralette and mid - rise bikini set - white - Y.O.U underwear
Women's organic cotton matching bralette and mid-rise bikini set - white Sale price£38.00
Colour
Women's organic cotton matching bralette and low - rise bikini set - light grey (heather grey) - Y.O.U underwearWomen's organic cotton matching bralette and low - rise bikini set - light grey (heather grey) - Y.O.U underwear
Women's organic cotton matching bralette and low-rise bikini set - light grey (heather grey) Sale price£38.00
Colour
Women's organic cotton matching bralette and mid - rise bikini set - Light Grey - Y.O.U underwearWomen's organic cotton matching bralette and mid - rise bikini set - Light Grey - Y.O.U underwear
Women's organic cotton matching bralette and mid-rise bikini set - Light Grey Sale price£38.00
Colour

Our bestselling organic cotton bikini knickers come in a range of sizes so we've got you covered for plus size underwear. The bikini cut provides medium coverage on the bum meaning it's a great style for every day. The low-rise design sits low on the waist and mid hip while the mid-rise sits slightly higher on the hip and closer to the waist. Shop multipack knickers to save on your favourite style and colour.

Size inclusive

Shop bikini knickers in UK sizes 6 to 22.

Comfort & fit

Choose between low-rise or mid-rise for your preferred fit with classic bikini cut on the bum.

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.

Free UK shipping

Orders over £60 qualify for free UK delivery

Happiness guaranteed

Fuss-free exchange or refund on all items within 30 days of purchase

Recycle with us

We take back our own end-of-life underwear to recycle

Buy one give one

Every purchase helps fight pants poverty