HUUB Design Men's Skn-1 Triathlon Swim Skin 71% polyamide micro 29% elastane knitted Imported Ideal swim skin for non-wetsuit triathlons and long distance swims; constructed of fine Italian fabric Compresses body shape to reduce frontal drag; smooth profile reduces friction in the water Carefully placed panels replicate the spine and support structure of HUUB's X-O Skeleton Re-distributes body mass to change center of buoyancy Refer to sizing chart for proper fit