Feel unstoppable wearing Speedo's latest innovation developed by swimmers for swimmers. The Fastskin LZR Pure Intent Openback Kneeskin in Nordic Teal & Salso features compressive dual layers & ergonomic seam construction designed to connect key muscle groups for greater power return. Textured fabric zones target drag reduction so you get the very best from your swim, & the triple fabric construction with bonded seams has been designed to enable greater movement. The open back offers greater freedom of movement & may be preferred by swimmers with arched backs. This product has been fully approved by FINA.