1)neoprene fullsuit two-sided nylon 2)Glued and Blindstitched (GBL) Seams 3)YKK or YBS zipper on back ... neoprene two-sided nylonA highly durable, abrasion resistant material Glued and Blindstitched (GBL) Seams S,M,L,XL,XXLBack zipThe wetsuit ... is perfect for surfing, paddling, and diving,and also excellent for any menWarmth, stretch and comfort, the perfect balance between performance ...