Obermeyer Keystone Pant - Men's Black Extra Large. The Keystone pant is just what you need in a weatherproof ski pant. Elastic waistband for added comfort and reinforced pant hems for abrasion resistance. Constructed with exclusive HydroBlock Sport 10000mm waterproof-breathable 100percent Polyester Ottoman Weave fabric for guaranteed durability and functional performance. Specifications for Obermeyer Keystone Pants - Men's: Manufacturer: Obermeyer Gender: Male Age Group: Adults Application: Winter/Snow Skiing Apparel Fit: Relaxed Color: Black Fabric/Material: HydroBlock Sport 100percent Polyester Ottoman Weave Water Resistance Level: 10K (10000mm) Fastener/Closure Type: YKK Zippers Insulation: Needlepunch Insulation Weight: 60 Features of Obermeyer Keystone Pants - Men's Skier Critical seam sealing Water-resistant powder cuffs with gripper elastic Elastic waist YKK zipper(s) Zipper handwarmer pockets Full-Motion articulation Abrasion-resistant hems Reinforced inseams Available in special sizing Package Contents: Obermeyer Keystone Pants - Men's Obermeyer 25102-16009-XL: Keystone Pant - Men's Black Extra Large