Alpha Series: Climbing and alpinism focused pieces: harness compatible length and waistline chest pockets accessible while wearing a pack or harness maximum articulation for overhead motions helmet compatible hoods drop hem highest possible durability to weight ratio emphasis on lightweight materials. Ice climbers and alpine climbers move quickly, generate a lot of heat yet require waterproof protection from spindrift, water, and falling snow. Streamlined for light weight and energy efficiency, the Alpha Comp Pant has a trim fit to maximize fabric technologies and reduce crampon snag, with e3D to accommodate free movement of layers. Fortius 1.0 stretch woven fabric regulates heat and provides stretch through the core areas and back of the knees. N40p 3L laminated GORER Product Technology provides durable weather protection across the seat, front of the legs and lower leg cuffs. Zippered lower leg adjusts to two volumes to accommodate different the needs of ski boots, alpine travel and climbing with crampons. Extremely durable KeprotecR provides instep protection. Features: Weather resistant Breathable Durable Versatile ideal for multi climate usage Taped seams for added weatherproofness DWR finish Durable Water Repellent helps repel water from fabric surface Micro seam allowance 1.6 mm reduces bulk and weight Composite construction e3D Ergonomic 3 Dimensional patterning for enhanced comfort and mobility Gusseted crotch Lower leg gusset WaterTightTM external zippers Front fly with snap closure 14 length ankle zip with gusset Adjustable pant cuff drawcord Expanding gusset in the pant cuff adjusts to two volumes to accommodate various types of footwear. Adjustable integrated webbing belt Snap waist closure Soft, brushed lined waist Thigh pocket sits just below a climbing harness Zippered thigh pocket with flap Reinforced instep patch Trim fit, with e3D patterning, Tapered leg Weight: 380 g 13.4 oz Activity: Ice Climbing Alpine Climbing Materials: N40p 3L laminated GoreR Fabric Technology Fortius 1.0TM 84% nylon, 16% elastane, 160 gm . Lightweight, durable, non insulated, stretchy nylonspandex blend textile.