About This 90% neoprene, 10% nylon Imported Should fit snug, but not too tight XSPAN TECHNOLOGY: Exclusive ultra soft material made with 4-way super stretch neoprene. COMFORT: Carefully designed visor constructed as an anatomical fit for maximum comfort during diving and snorkeling. DURABILITY: Spot taped at stress points and flatlock seams provide a smooth interior and exterior surface to ensure maximum comfort and durability. COMFORT: Using lycra trimmed arm, neck and waist openings allow for extra comfort while participating in water sports like diving, windsurfing, paddleboarding, surfing, etc. Overview Material : Neoprene, Spandex Color : Men's Black Brand : Neo-Sport Item Thickness : 5 Millimeters Sport : Diving Closure Type : Pull On Sleeve Type : Sleeveless Age Range (Description) : Adult Size Map : xx-large Global Trade Identification Number : 00749819529066