Product Details Thickness: 4/3mm Neoprene: StretchFlight 2 / Limestone-derivate Internal Lining: Thermal Smoothie / WarmFlight Entry System: Back Zip Hood: No Hood Knee Pads: Yes Materials: 88% Recycled Polyester, 12% Elastane Model Year: 2021/2022 MPN: ERGW103044 Product Features StretchFlight 2 neoprene for increased warmth and comfort without sacrificing flexibility Thermal Smoothie durable textured neoprene, retains heat and blocks wind [chest and back] 24% less CO2 emissions per wetsuit Limestone-derivate eco-friendly neoprene made from scrap rubber tires and Bluesign® certified WarmFlight® thermal fleece lining keeps body heat in and water out [chest] Triple glued and blind stitched [GBS] seams reduce StretchFlight 3 Taped internal seals makes all seams watertight Water-based glue used for lamination Recycled polyester and nylon used for linings Back zip entry system with YKK® #10 plastic zip Supratex knee pads durable, lightweight and flexible Durable construction Lightweight and flexible Glideskin neck seal Hydrowrap x2 adjustable neck closure with hydrosheild water barrier