Tripled glued, blind stitched seams. Velcro Shoulder entry, minimal bulk with contoured retro design 100% Super stretch Japanese limestone based neoprene - lighter, warmer, softer, stretchier, easier to put on and take off, and allows for more freedom of movement. Dope Dyed Fabric- Softer, eco-friendly, anti-fade stretch jersey laminated with AquaA eco-friendly water-based lamination is completely solvent free. Made by Bluesign approved mills.