Speedo Men's Endurance Lite Hydralign Drag Brief Swimsuit 51% PBT Textured Polyester/49% Polyester Imported All the long lasting performance qualities of our endurance and fabric in a 10 percentage lighter weight perfect for lap swimming and training Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine Square leg brief drag suit silhouette with silicone printing for increased resistance Perfect practice suit for the frequent swimmer Made by speedo, the world's premier aquatics brand