ORIGINAL GTX For those requiring the very best all-round performance and absolute protection for mountaineering in all weathers. The multi-award-winning Lhotse Jacket remains our best-selling GORE-TEX PRO jacket. The latest evolution of this mountaineering classic represents the best possible blend of function, weight and durability. 3-layer GORE-TEX PRO 40D fabric 3-layer GORE-TEX PRO 80D fabric reinforcements Mountain HC Hood is fully adjustable with Cohaesive™ cordlocks Seamless face panel for maximum comfort Alpine fit with articulated and pre-shaped sleeves Stratum Storage; 2 large pockets and 1 Napoleon pocket, laser cut and laminated with YKK® moulded AquaGuard® zips 2-way YKK® moulded AquaGuard® centre front zip 2-way YKK® WR underarm pit zips with laminated and bonded entry Adjustable laminated cuffs and dual tether hem drawcords Laminated and laser cut inner pocket with YKK® zip Weight : 500g/ 17.6oz 100% Polyamide, ePTFE membrane