Lightweight Fluid foam double layer 5mm neopreneRound toe FLUID FOAMHighly durable neoprene that resists abrasion and compression with a supple feel and good stretch. Stretch factor: 75%GLUED & BLINDSTICTED SEAM CONSTRUCTIONThe blindstitch seam is aptly named because the stitching only goes part way through the neoprene. If a suit is blindstitched it is also glued so there is no leakage through the seams. Glued and blind stitched construction provides a waterproof seam. O :: Men > Wetsuits Size: X-Large,Medium,Small.