Feel unstoppable wearing Speedo's latest innovation developed by swimmers for swimmers. The Fastskin LZR Pure Intent Openback Kneeskin in Green Glow and Black features compressive dual layers and ergonomic seam construction designed to connect key muscle groups for greater power return. The Speedo Women's Fastskin LZR Pure Intent Openback Kneeskin features textured fabric zones that target drag reduction so you can get the very best from your swim, and the triple fabric construction with bonded seams has been designed to enable greater freedom of movement. This product has been fully approved by FINA. Features: Compressive dual layers and ergonomic seam construction designed to connect key muscle groups for greater power return Triple fabric construction with bonded seams designed for greater range of movement New textured fabric zones target drag reduction for optimal performance Precision straps for enhanced comfort New construction with flexible zones aids in getting the suit on UK Size: 20, 22, 23, 24, 25