5-layer HARD-TEX membrane. Waterproofing 25,000 mm. Breathability 7,000 g/m²/24h. Ultra-reinforced fabric bottom. Molded neoprene knee protectors. Armortex-reinforced 4 mm neoprene booties, Kevlar-stitched soles. Adjustable belt with YKK buckles. Shoulder straps with VentStrap 3D System padding. External YKK Aquaguard zip pocket. Fold-down inner pocket with zip-lock. Sealed seams and zips. Waterproof phone/document pocket. Carry bag.