Description of Mountain Hardwear Beryllium Jacket Designed for the serious mountaineer, this GORE-TEX® Pro Shell delivers exceptional strength and durability with room for layers in our all-mountain cut. Welded components, micro-tape construction and a helmet-ready hood meet the elements head on. Features: Usage: Alpine Climbing / Mountaineering / Backcountry Weight: 1 lbs, 2 oz / 516.00 g Laminate: GORE-TEX® Pro Shell Body fabric: FTX Light ProShell Articulated sleeves Micro-chamois lined chin guard One handed hood, waist and hem drawcords Double flap, front zip Micro Tape construction Superlight Pit Zips are welded and water-resistant Extra beefy, laminated brim Welded pocket construction Chest high hand pockets with water-resistant zips Welded hem and waist drawcords Attached, roll-away, Ergo hood Laminated, front zip flap Two welded chest pockets Lift Ticket ring on hem Interior pockets Updated with new Pro Shell using Micro-Grid Backer