1.5mm neoprene -small diamond lining outside, nylon inside. Easy adjustable waist band with 2 hook and loop flaps and adjustable strap with a quick release buckle. Big cargo pockets with expandable system, made in fabric to prevent the distortion of the shape. Grommets for fast drainage. D ring to secure accessories. Protective rubber prints on the back reduces friction damage while increasing grip, useful if used on a jet ski or RIB. Taped sewing on back and inside legs to prevent broken threads. Unisex model: 5 sizes from S to XXL.