Speedo Men's Endurance+ Reverb Brief Swimsuit 100% Polyester Pbt Imported Speedo exclusive Endurance+ is our longest lasting and best selling fabric to give you more value for your money Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine Four-way stretch technology provides a body hugging fit, great shape retention, and soft comfort Traditional performance brief with 3" side panel and inner drawstring waist Made by Speedo, the world's No 1 swim brand