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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 blackWomen’s organic cotton low-rise bikini bottoms in black
Women's organic cotton mid-rise bikini bottoms in blackWomen's organic cotton mid-rise bikini bottoms in black
Women’s organic cotton low-rise bikini bottoms in whiteWomen’s organic cotton low-rise bikini bottoms in white
Women's organic cotton mid-rise bikini bottoms in whiteWomen's organic cotton mid-rise bikini bottoms in white
Women’s organic cotton low-rise bikini bottoms in light grey (heather grey)Women’s organic cotton low-rise bikini bottoms in light grey (heather grey)
Women's organic cotton mid-rise bikini bottoms in light greyWomen's organic cotton mid-rise bikini bottoms in light grey
Women's organic cotton low-rise bikini bottoms in almond (light nude)Women's organic cotton low-rise bikini bottoms in almond (light nude)
Women's organic cotton mid-rise bikini bottoms in almondWomen's organic cotton mid-rise bikini bottoms in almond
Women's organic cotton low-rise bikini bottoms in chestnut (mid nude)Women's organic cotton low-rise bikini bottoms in chestnut (mid nude)
Women's organic cotton mid-rise bikini bottoms in chestnutWomen's organic cotton mid-rise bikini bottoms in chestnut
Colour
(5.0)
Women's organic cotton low-rise bikini bottoms in cocoa (dark nude)Women's organic cotton low-rise bikini bottoms in cocoa (dark nude)
Women's organic cotton mid-rise bikini bottoms in cocoa (dark nude)Women's organic cotton mid-rise bikini bottoms in cocoa (dark nude)
Women's organic cotton low-rise bikini bottoms in light pinkWomen's organic cotton low-rise bikini bottoms in light pink
A person wearing light pink bikini bottoms and a matching bra top stands against a plain white background. The person's right hand rests by their side while their left arm is slightly bent at the elbow. The focus is on the midsection.A woman wearing light pink, mid-rise bikini bottoms shown from behind
Colour
(5.0)
Women’s organic cotton low-rise bikini bottoms in navy blueWomen’s organic cotton low-rise bikini bottoms in navy blue
Colour
(5.0)
Women's organic cotton mid-rise bikini bottoms in navy blueWomen's organic cotton mid-rise bikini bottoms in navy blue
Colour
(5.0)
Women's organic cotton low-rise bikini bottoms in light blueWomen's organic cotton low-rise bikini bottoms in light blue
Women's organic cotton mid-rise bikini bottoms in light blueWomen's organic cotton mid-rise bikini bottoms in light blue
Colour
(5.0)
Women's organic cotton low-rise bikini bottoms - Black Mara designWomen's organic cotton low-rise bikini bottoms - Black Mara design
Women's organic cotton mid-rise bikini bottoms - Black Mara printWomen's organic cotton mid-rise bikini bottoms - Black Mara print
Person wearing red bikini bottoms with circular and triangular patterns, standing outdoorsPerson wearing red bikini bottoms with circular and triangular patterns, showing back view
Women's organic cotton mid-rise bikini bottoms - Red Mara printWomen's organic cotton mid-rise bikini bottoms - Red Mara print
model wearing organic cotton low rise bikini knickers blue mara - You Underwearmodel wearing organic cotton low rise bikini knickers blue mara - You Underwear
Women's organic cotton mid-rise bikini bottoms - Blue Mara printmodel wearing organic cotton mid rise bikini in blue mara print - You Underwear
Person wearing green bikini bottoms and bralette with circular patterns, standing indoorsPerson wearing green bikini bottoms and bralette with circular patterns, standing indoors with mirror showing reflection
Women's organic cotton mid-rise bikini bottoms - Green Mara printWomen's organic cotton mid-rise bikini bottoms - Green Mara print
model wearing organic cotton low rise bikini yellow mara print - You Underwearmodel wearing organic cotton low rise bikini yellow mara print, shown from behind - You Underwear
model wearing an organic cotton mid rise bikini in yellow mara-You Underwearmodel wearing an organic cotton mid rise bikini in yellow mara-You Underwear
Women's organic cotton low-rise bikini bottoms - blue with white starsWomen's organic cotton low-rise bikini bottoms - blue with white stars
Women's organic cotton low-rise bikini bottoms - grey with white cloudsWomen's organic cotton low-rise bikini bottoms - grey with white clouds
Close-up of a person's midsection wearing yellow underwear with a white floral print. The skin tone is light, and the person appears to be standing in a relaxed pose with part of their midriff and upper thighs visible. A person wearing yellow low-rise bikini bottoms with white floral patterns is seen from the back. The underwear has the letters "Y.O.U" printed on the waistband. A hand is resting on the left hip against a plain white background.
Women's organic cotton low-rise bikini bottoms - pink with white dotsWomen's organic cotton low-rise bikini bottoms - pink with white dots
Women's organic cotton low-rise bikini bottoms - pack of 3Women's organic cotton low-rise bikini bottoms - pack of 3
Colour
(5.0)
Women's organic cotton mid-rise bikini bottoms - pack of 3Women's organic cotton mid-rise bikini bottoms - pack of 3
Colour
(5.0)
Women's organic cotton low-rise bikini bottoms - Mara design - Pack of 3Women's organic cotton low-rise bikini bottoms - Mara design - Pack of 3
Colour
Women's organic cotton Mara mid-rise bikini bottoms - pack of 3Women's organic cotton Mara mid-rise bikini bottoms - pack of 3
Colour
Women's organic cotton low-rise bikini bottoms - pack of 5Women's organic cotton low-rise bikini bottoms - pack of 5
Colour
(5.0)
Women's organic cotton mid-rise bikini bottoms - pack of 5Women's organic cotton mid-rise bikini bottoms - pack of 5
Colour
(5.0)
Women's organic cotton low-rise bikini bottoms - Mara design - Pack of 5Women's organic cotton low-rise bikini bottoms - Mara design - Pack of 5
Colour
Women's organic cotton Mara mid-rise bikini bottoms - pack of 5Women's organic cotton Mara mid-rise bikini bottoms - pack of 5
Colour
womens bikinisDays of the Week Organic Cotton Underwear - pack of 7 low-rise bikinis
Days of the Week Organic Cotton Underwear - pack of 7 mid-rise bikiniDays of the Week Organic Cotton Underwear - pack of 7 mid-rise bikini
Women's organic cotton matching bralette and low-rise bikini set - blackmodel wearing an organic cotton matching set with a black bralette and low rise bikini- You Underwear
Women's organic cotton matching bralette and mid-rise bikini set - blackWomen's organic cotton matching bralette and mid-rise bikini set - black
Women's organic cotton matching bralette and low-rise bikini set - whiteWomen's organic cotton matching bralette and low-rise bikini set - white
Women's organic cotton matching bralette and mid-rise bikini set - whiteWomen's organic cotton matching bralette and mid-rise bikini set - white
Women's organic cotton matching bralette and low-rise bikini set - light grey (heather grey)Women's organic cotton matching bralette and low-rise bikini set - light grey (heather grey)
Women's organic cotton matching bralette and mid-rise bikini set - Light GreyWomen's organic cotton matching bralette and mid-rise bikini set - Light Grey

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.