The WATERFALL Backzip PRO 4/3mm Neoprene Surf Wetsuit is an elastic, versatile suit designed for year-round use with high and daily intensity. – Environmentally friendly CR+SBR Limestone Neoprene with a thickness of 4/3 mm. – Super Stretch Neoprene in the legs and arms for easier mobility and comfort during use. – Glued and blind stitched seams (GBS). – Glide skin neck collar. – Internally sealed seams at the panel joints with Neo Tape. – YKK backzip closure system. – High-density comfortable knee pads. – Sizes from XS to XXL.