SUPreme Men's Blade Quantum Foam 1.5mm Neoprene Short Sleeve Fullsuit neoprene 100% Ultra Soft Quantum Foam neoprene construction Thermal micro fleece interior and ultra narrow mini front zip entry Aqua phobic skin neoprene chest and back, Windproof and fast-drying Short sleeve design with low profile adjustable collar Duratex 4-way stretch knee pads and internal elastic key retention loop