3mm neoprene tunnel and 4mm Supratex 2 neoprene deck
3-fin style rubber rand (specially-formulated to stretch in cold weather)
3.5mm neoprene front casing w/ abrasion-resistant high-density polyester and 4mm Supratex 2 neoprene rear casing
Anti-implosion super stick silicone patches
Glued, taped & blind-stitched seams