Regular fit is just right: Not too tight or too baggy; Gender neutral sizing Two-layer fabric [15,000mm/15,000g] is highly breathable, waterproof, and quick drying; Offers breathability for medium-intensity activities with moderate sweat management for quick-drying comfort; Reinforced seat and knees ThermacoreECO [60g] insulation is lightweight and soft, providing superior warmth-to-weight performance using bluesign approved over 90% recycled fibers that are easy to care for; Anti-scuff cuffs with hook-and-loop cuff elevators Articulated knees for easy mobility; External waistband adjustment; Water-resistant boot gaiter; Zippered microfleece hand-warmer pockets and zippered thigh pocket for warmth and storage; Room-to-Grow system extends the length of the legs by 2in Products made with bluesign materials are responsibly crafted to limit the impact on the planet; Lifetime warranty