AKONA's Men's 3 mm Nylon II neoprene Jumpsuit has glued and blind stitched inside and out. Suit has an YKK #10 Brass zipper in low profile water sealing zipper design. The YKK #10 brass zipper is AKONA's unique zipper design utilizes dual rubber strips to additionally seal the zipper opening when closed, creating a water resistant closure. In addition, AKONA's low profile zipper flap folds over the closed zipper to further seal and secure the zipper in its closed position. The reinforced pull loop at the base of the zipper makes self-donning of the suit fast and easy. AKONA's uniquely designed and stylistic knee pads provide exceptional strength and durability. Unlike the stiff rubber knee pads utilized on other suits today, AKONA's revolutionary knee pad material is fully flexible, and has a hydrodynamic low profile. AKONA's Grab Shoulder material provides superior wear and scuff protection. Designed to grip a buoyancy compensator to reduce shifting, the Grab Shoulders create a snug and movement-free fit. The unique pattern of the Grab Shoulder material also prevents excessive stretching of the suit when hung to dry. Suit is Available in 9 sizes from SM to 5XL and comes with a 24 month limited warranty.