Conquer extreme mountain weather with this professional-grade 3-layer hardshell jacket, engineered for uncompromising storm protection and breathability. The advanced 3-layer composite fabric delivers a 20,000mm waterproof rating (tested to Japanese standards up to 30,000mm), standing up to torrential downpours and heavy snow with ease. A high-performance moisture-permeable membrane allows sweat vapor to escape, achieving exceptional breathability (Japanese standard 20,000 C24,000g/m2/24h) to keep you dry from the inside out during high-output ascents. Built from durable 75D fabric tested to withstand over 50,000 abrasion cycles, this jacket resists tears and wear on rugged terrain. Fully seam-taped with waterproof heat-seal tape, it provides complete windproof protection enhanced by an adjustable 3D hood system with NIFCO hardware, Velcro cuffs, and a drawcord hem. Thoughtful ergonomic details include 36cm underarm waterproof zippers for rapid ventilation, a high-positioned waterproof chest pocket that clears backpack hip belts, and a smooth YKK dual-head waterproof front zipper. Perfect for mountaineering, hiking, backpacking, and severe weather expeditions.