Hyperlite continues to iterate on their tried and true rugged and lightweight mountain packs. The Crux 40 adds several ski mountaineering specific features without adding much weight. We've been testing these packs in the shop and have really enjoyed all the R & D that went into designing this pack. ### Hyperlite Says: ### Designed with ski legend Cody Townsend, this 40L pack is meant to meet the demands of climbing, skiing, and the safe transition between the two in steep, technical terrain. DESIGNED FOR: Ski MountaineeringGOOD FOR: Ski Touring, Professional UseWEIGHT: 44.1oz / 1250g (Medium) PRIMARY FEATURE SUMMARY With a clever, zippered back panel entry to reduce the risk of lost gear on challenging pitches, this ski mountaineering pack prioritizes access to technical tools in high-exposure environments. Primary features include: Internal avalanche tool pockets for optimal security Front and rear haul loops/anchor points Removable hip belt w/ right gear loop and left zippered pocket Drawstring extension collar with removable lid Low profile side pockets for pickets and wands Front stretch mesh pocket for quick storage Accommodates A-frame and diagonal ski carry SPECS & DIMENSIONS MATERIALS: DCHW, DCH150, DCH50, 100d Gridstop with Dyneema®, 210d Nylon, Dyneema® Stretch Mesh UL INTERNAL VOLUME: 40L + 15L WEIGHT: 44.1oz | 1250g LOAD CAPACITY: 50lbs BACK WIDTH: 11" HEIGHT: 35" TOP CIRCUMFERENCEL: 38" BOTTOM CIRCUMFERENCE: 28" MADE IN: Mexico