Speedo Big Boys' Endurance Solid Jammer Swimsuit 50% Polyester, 50% Pbt Imported Endurance+ polyester fabric lasts 20 times longer to give you more value for your money Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine Core basic jammer styling for more coverage and comfort Inner drawstring waist for a secure fit Endurance+ is a Speedo trademarked fabric type. This item is the exact same style and fabric content whether Endurance+ is included in the physical external logo or not.