Speedo One Piece Swim Suit 51% PBT, 49% polyester SPEEDO Color Block Thin Strap - Speedo Endurance Lite - Endurance Lite has all the performance properties of our Endurance+ fabric in a 10% lighter weight that won't weigh you down in the water. - Durable chlorine resistant fabric holds color and does not bag or sag. - 4-way stretch.