Hyperflex Wetsuits Men's Amp K Wind Series 3/2mm Back Zip Full Suit neoprene Should fit snug, but not too tight PERFECT FIT: Constructed with 100% Neoprene for an unbelievably stretchy and lightweight wetsuit MULTI SPORT USE: Designed for surfing, paddling, watercraft and many more water and action sports. WARMTH: Our Zig-Zag Thermal Lining provides our surfers and athletes with crucial core warmth and moisture wicking technology. WATERPROOF TECHNOLOGY: A combination of W.E.B. Water Entry Barrier, 100 percent Liquid Taped Sealed Seams, and Double Gator Lock for maximum water seal protection CHAFE-FREE COMFORT: Our silver glide skin collar gives our surfers chafe-free comfort.