Whether we are out on an adventure or just doing things around the house, the ExOfficio Give-N-Go Sport 2. 0 Bikini Brief Underwear has quickly become one of our go-to's for days when we are on the move. Featuring a lightweight mesh fabric, the Give-N-Go Sport 2. 0 Bikini Brief Underwear is super breathable, soft, and stretchy, so we stay comfortable all day long. Flatlock seams reduce chafing and irritation, and the snug fit and low rise are ideal for active days.