Feel unstoppable wearing Speedo\'s latest innovation, developed by swimmers for swimmers.The Fastskin LZR Pure Intent Closedback Kneeskin features compressive dual layers and ergonomic seam construction designed to connect key muscle groups for greater power return. Bonded seams and textured fabric zones target drag reduction so you get the very best from your swim. The closed back offers greater coverage which can improve performance and may be preferred by swimmers with straight backs. This product has been fully approved by FINA.