Blind stitched and latex sealed seams throughout. Shockcord style deck with nylon body tube. 4mm tough faced neoprene with latex reinforcing on top. Breathable X2.5 nylon body tube by Peak. No seams in the deck section. Front mesh zip pocket. Elastic shoulder straps and drawcord waist. For up to 16″ x 31.5″ cockpit combing size