Technical Climbing/Mountaineering Front lower piece: Nylon Back lower piece: Nylon (excluding knitted fabrics) Shoulder: 83% Nylon, 17% Spandex Lining: Nylon (excluding mesh) Filling: Polyester Designed specifically for technical climbing and mid-to-high altitude mountaineering scenarios, this sporty warm cotton jacket offers enhanced performance and warmth. The core area features PrimaLoft® Gold Label 80G/m2 combined with HEIQ heat reflection technology, increasing the jacket's warmth and wind resistance. Professional sports version, significantly enhancing the lightness and flexibility of movement. Durable, warm, and breathable zoned design, addressing the issue of abrasion during technical climbing and heavy hiking, easily coping with complex outdoor environments.