HEAD Men's Photon Liquid Last Lycra Brief Swimsuit 100% Polyester Imported Chlorine resistant; Ultra flat weave; Lightweight and breathable; High colorfastness Waterproof and non-curling; Pilling resistant; Shape retention; Oako-tex fabric certification Greater compression to reduce muscle vibration, surface friction and drag Teflon Coating to help repel water, increase glide and quicken drying time Xtra life Lycra: 10 times more chlorine resistant than Normal Lycra