HydroBlock Pro 100% polyester stretch fabric combines with 40-gram insulation in Obermeyers Mens Alpinist Stretch Pants for exceptional weather protection and warmth. 100% polyester chamois-fleece lining is soft against the skin. Ski Contour articulated knees allow uninhibited mobility for all your outdoor adventures. Skier Critical seam sealing and water-resistant powder cuffs keep moisture out. Fleece-lined adjustable elastic waist and zip fly with wind guard and storm flap maximize comfort and warmth. Control Zone Ventilation (CZV) with mesh gussets for airflow when the action heats up. Heavy-duty YKK zippers. Reinforced scuff guards. Cargo pocket and zip-close hand pockets. Active fit. Imported. Inseam: Regular (See sizing chart). Sizes: M-2XL. Color: Black. Type: Pants.