Our World Aquatics-approved Fastskin Endurance+ Max Openback Kneeskin emulates the style lines of our popular LZR Valor suit, so our young swimmers can look and feel like their swim heroes as they step up to the blocks. Designed specifically for young swimmers, the suit features high-energy colours. Its open-back style and 4-way stretch fabric ensure comfort and freedom of movement, allowing junior athletes to focus on their race. Built to last, it’s 100% chlorine resistant, quick-drying and designed to withstand everything their race day swim sessions throw at it. Bold colours guarantee you’ll stand out on race day Open back style for great freedom of movement 100% Chlorine resistance - for long lasting performance, & colours that stay brighter for longer Freedom to move – 4 way stretch technology for comfort and softness. Quick dry - dries faster after racing so you're ready to go again World aquatics approved