Collection: BADBUI

BADBUI builds the basics right: low-rise trunks, flex briefs, boxer briefs, and jockstraps in soft micro modal, plus swim briefs in colors that do not whisper. The cuts are clean, the waistbands sit low, and the fit works on real bodies, from lean to bear. If your underwear drawer needs a reset, or your swim bag needs one loud brief, start here.

Shop the full underwear lineup, pair a swim brief with our swimsuits, or check what the community keeps reordering in best sellers. Shipping calculated at checkout.