This Black Mad Wave MW Revolution Open Back Kneeskin is designed to meet the needs of both beginners and more advanced swimmers.The structure of the fabric provides good glide in the water and a higher speed through the water.Xtra Life Lycra fibre, which is part of the fabric, significantly increases its durability and resistance to chlorinated water.The elasticity of the material and its ability to dry quickly provides athletes with a comfortable fit.The Mad Wave MW Revolution Knee suit gives compression in the right places without sacrificing freedom of movement.Flat seams do not rub or disrupt the swimmer's hydrodynamics.Silicone grippers are placed at the bottom of the suit for better fixation.Please note – suits are designed for 7-10 starts, after which the fabric gradually loses some of its effectiveness and the efficiency of the suit decreases. Mad Wave's MW Revolution Open Back Kneeskins are designed for competitions and are not recommended for day-to-day training. Features:Enhanced GlideChlorine ResistanceQuick-DryingSilicone seals above the kneeFlat SeamsWorld Aquatics / FINA ApprovedComposition: Shell Fabric (Polyamide - 71%, Elastane - 29%),Lining (Polyamide - 90%, Elastane - 10%)