Cozy undies tailored to fit you your body perfectly
CYA (aka Cover Your A**) your new go-to knickers.
Tired of those ill fitting undies too?
Most underwear brands offer just a S, M, or L, assuming a standard 10 inch difference between your waist and hip measurements. But in real bodies this ranges from 2 -15+ inches.
When each bum is so unique, why shouldn’t the sizing be?
Meet CYA: Knickers tailored to you, down to an inch.
Bringing bra sizing to undies
At CYA we are revolutionizing women’s underwear by bringing the tried and tested bra sizing system to your bottom, using your waist and hip measurements so your bottom is not just a Small, Medium or Large but instead a 28B, a 33F, or a 38C. With CYA you will now be able to find your perfect fit from our 50 unique sizes!
Get ready to feel comfort like never before.
Find your perfect fit now
Say CYA to excess fabric or that uncomfortable wedgie following you around all day.
We’re here to give your bum the space it deserves!
Our Customers
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![Woman in floral dress near pool in desert landscape at sunset.]()
"Love these undies! Great fit, great quality, my new go-to!"
- Kate Wharton
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![Woman in red dress with sunglasses holds child in white shirt outdoors at a garden setting with wooden chairs and tables.]()
“The perfect fit even for new moms - and works with any kind of outfit! Definitely becoming my go to undies.
- Efe Braimah
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![A person wearing a black jacket, beanie, and colorful leggings is sitting on a rock in a forested area with bare trees. They are smiling while petting a large dog on a leash. There is a thermos and gloves nearby on the rock. It's a sunny day, and some snow is visible on the ground.]()
"So glad to finally have undies that are the right size and fit for me! Knickers desperately needed an upgrade "
- Sam Allen
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![Person wearing a white eyelet blouse and sunglasses standing in front of yellow shutters with a "Margaritaville" sign above.]()
“Fits me perfectly, so soft and comfortable - no wedgies ever!"
- Marina Vieira
