Castle X Mens Fuel G5 Black/White Pants (Large) 3M Thinsulate Extra Warmth Insulation. Ultra tough polyester and nylon shell with Ven-Tex 1.0 windproof,waterproof,breathable and DWR coatings. Critical seams sealed. Padded articulated knee panels. 500D Airdura reinforce seat, lower legs and hem. Velcro adjustable waist with flex panel construction. Pocket on thigh and zippered hand pockets. Raised padded action back rear panel. Inner snow gaiters attach to boots. 360 degree adjustable length feature. 3M Scotchlite Reflective materials. Ventec zipper adjustable side ventilation.