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sizing

bra sizing

on finding your perfect fit: because our bras are designed using soft, stretchy elastic—no uncomfortable wires, itchy hooks, or fussy adjustable straps—there is flexibility between sizing. our design is similar to a sports bra: you pull it over your head, and we do not use standard band and cup sizes. if you are deciding between two sizes, we strongly recommend sizing up for maximum comfort.

if you prefer to compare letter sizes to your band and cup size, here are our recommendations—

XS // 30A, 30B

S // 32A, 32B, 34A

M // 32C, 32D34B, 34C, 36A

L // 34D, 36B, 36C, 38A

XL // 36D, 38B, 38C, 38D

DD + DDD ladies, we are gathering fit feedback for you. we will update our size chart with recommendations soon. in the meantime, please reach out to us with your size info so we can help you find your perfect fit.

fit questions? don't hesitate to shoot us an email at hello@underbares.com