Men’s 2mm Smooth Skin Wetsuit Jacket, Full Front Zipper, Long Sleeve built smooth seals, limestone coating, and titanium enriched neoprene. The 8 panel design full YKK zipper is perfect for chilly water, brisk breezes and easy on an off changes. ~All directional 100% SuperStretch Smooth Skin neoprene ~Premium Quality Neoprene 100% Wind Resistant Neoprene ~2mm Neoprene air cell insulation: lightweight warm ~Titanium enriched for extra warmth and water resistance ~8 panel Smooth Skin Neoprene design for superior mobility ~Super Comfy Jersey stretch Nylon inner lining helps retain body heat ~Flatlock seam stitching provides Strength Durability ~Smooth Skin Seals Coating ~Durable, Flexible Strong ~Smooth, Soft and Comfortable ~Full Zipper for easy changes ~Protective flap behind zipper ~Heavy Duty #10 YKK Zipper ~90% Neoprene, 10% Nylon ~Superior water repellent, fast drying and super light weight ~Provides protection from rash, sun-UPF 50+ wind ~Protective limestone coating wicks water away cuts the wind ~Provides core warmth on chilly days ~Wear alone, under wetsuit or with rash guard layer ~Multi-functional, great for all activities involving liquid ~Surfing, Kayaking, Diving, Canoeing, Fishing, Canoeing, Wind Kite Surfing, Sailing ~Perfect for Water Aerobics Pool Rehab ~Great under water skiing vest for increased warmth ~Built for comfort, function performance Water Temperature Recommendation: 70 degrees and up Men’s Size Chart Search: SIZE CHEST WAIST WEIGHT Small 31-34 28-30 115-140 Medium 35-38 30-32 140-165 Large 39-41 34-35 165-190 XL 42-44 35-37 190-210 2XL 45-47 37-39 210-235 3XL 48-49 39-40 235-255 Men’s 2mm Smooth Skin Wetsuit Jacket, Full Front Zipper, Long Sleeve must be snug to protect versus water flushing the jacket.