Specs Water Temp Rating * 45 Degrees & Up Style Fullsuit Thickness 6/4mm Neoprene Type 100% Super Stretch Neoprene Seam Construction Sealed & Taped Zipper Style Chest Zip Internal Features Poly Fleece Lining Additional Features Wind Resistant Smoothskin Exterior * Water temperature ratings are only a guide and are very subjective. If you are cold, get out of the water and seek warmth.