As part of our Ascent range, it features Stretch Nylon Woven Proflex(TM) with carefully zoned panels that are designed to cope with the increased abrasion and exposure of technical ascents without critically inflating the weight. The Specifics:- Fit:Regular Weight:357g / 12.5oz Product Code:QWG-71 Semi-elasticated, with integrated belt adjustment Front of waist kept flat and clear of adjustments to give easy access to fly, and clear of clutter when wearing a harness YKK Aquaguard pocket zips Concealed rear zipper pocket YKK zippered fly, with a double snap closure Dual fabrics provide reinforcement in high wear areas, and additional stretch in other areas Articulated knees Zippered hem gusset to widen cuff for bigger boots Hyperlon cord attachment points at hem Secondary - Stretch polyamide 20D woven 3L with PU membrane and polyester backer/ Proflex/ 100gsm/ MVTR: 20,000g/m2/24 hrs/ HH 20,000mm Kicker patch: polyamide woven reinforcement Main - Stretch polyamide 20D woven 3L with PU membrane and polyester backer/ Proflex/ 149 gsm/ MVTR: 25,000g/m2/24 hrs/ HH 20,000mm