Men's neoprene Quiksilver 4/3 mm Prologue SR Back Zip LS * material: 100% nylon * StretchFlight neoprene - flexible stretch neoprene will provide warmth and freedom of movement * ecological neoprene * Bluesign® certification * recommended water temperature: 11-14 °C * neoprene thickness : 4/3mm * Aqua Alpha: non-toxic water-based adhesive * Thermal Smoothie: durable textured neoprene blocks wind * Hydrowrap - fully adjustable waterproof sealing system at neck * triple taped and blind-stitched GBS seams ensure durability and prevent water penetration * zip on the back * long sleeves * shaped knees