surfing kite boarding and windsurfing duraflex and g-flex neoprenes are formfitting ... warm glued and blindstitched seams are durable and almost totally block water entry ... nylon lined legs and seat areas add durability men s women s b the john s front zip ... seams blindstitched seams that are coated with an additional layer of glue inside ... used on less expensive wetsuits duraflex the most flexible warm durable neoprene ... and comfort highly abrasion-resistant dura-tex knee and seat reinforcements will make ...