Best selling Dive thin strap updated with a true navy base & key season Fluro green & blue block panels with our famous Textured Speedo boom layered down the side panelsEnduraFlexThin strap muscleback design with back key whole - aids shoulder movement and offers increased back coverage - Front Lined - Medium leg cut - Nylon yarns in the Endura - Flex fabric are made from 100% pre-consumer waste, such as waste fabric from factories - Comfort Shape Retention fabric stretches so you can enjoy your swim without feeling restricted