This is the 3mm Henderson Mens Aqua Lock Full Suit Scuba Diving Wetsuit It Features: Water Temp Rating * 60-65 Degrees & Up Style Full Wetsuit Thickness 3mm Neoprene Type 100% Stretch Neoprene w/ Aquasilk Laminate Seam Construction Sealed & Externally Liquid Taped Zipper Style Waterproof Back Zipper Internal Features 100% Golden Poly Fleece Lining Henderson&';s AquaLock wetsuit system is a collection of wetsuit pieces that interlock to form an impenetrable seal against cold water. All Aqua Lock wetsuits and accessories are built with the finest AquaSilk neoprene laminate which is extremely soft to the touch and very flexible in the water. One of the most notable visual features on the suit is the liquid taped AquaLock seams. Every seam on the suit is sealed inside and out, then coated with a waterproof liquid tape that prevents water entry while ruggedizing the seam. The interior jersey is lined with a golden microfleece lining which wicks moisture from the skin while retaining precious body heat. This is the top-notch wetsuit system that you&';ve been looking for! 1yr Warranty