3/2mm zoned Neoprene; Flatlock seam construction; Back zip entry with long zip puller for easy closure; Mesh Skin chest and back panel with a thermal fabric lining; Double lined Glideskin collar to stop cold water flush; Clean cut cuff and double lined leg seal; Ergonomic fit for ease of movement; Thermal protection technology; 4-way stretch; 80% Neoprene / 20% Nylon