The 7mm Rental Fullsuit is designed for high durability and warmth. The 7mm Rental Fullsuit is made of 7mm high quality standard neoprene with large Supratex kneepads to reduce wear and tear. The collar and cuffs are bound for increased durability and the seams are triple glued & blind-stitched. The zipper is a heavy-duty YKK #10 back zipper with a stainless steel slider. At the base of the zipper is a webbing loop for easy donning and a hook and loop resting position for the leash.