The torso and thighs are lined with midweight chlorine-free merino wool; hydrophobic recycled polyester micro-grid thermal lining in the arms and legs dries fast, minimizes weight and offers excellent flex. The easy-access center-back zip entry has an internal gasket to prevent water entry and maximize comfort. 100% external seam sealing eliminates leaks. Other features include a durable, water-resistant recycled polyester outer lining, hidden key loop and long-lasting Supratex kneepads. All seams are triple glued, blindstitched and internally taped at high stress areas.