Climbing, Mountainclimbing Materials: Ultra-wear-resistant Cordura® fabric Ergonomic waistbelt and leg loop construction is comfortable and breathable, allowing unrestricted climbing with maximum freedom of movement. Integrated frame design enhances body support, distributes body weight evenly with no pressure points for greater comfort. Front gear loops are angled outward for easy gear access; rear gear loops sit flat to avoid interfering with a backpack. Dual-side waist adjustment offers a wider fit range while keeping the harness centred. Additional attachment points on both sides of the waist can be fitted with a tool holder (KE830002) to carry more equipment, such as ice screws and pitons. "Quick Buckle" quick-adjust buckle for safe and convenient use. The Airo B4 is an all-terrain climbing/mountain rescue harness that is lightweight and comfortable with fully adjustable waist and leg loops. It is ideal for climbing gyms, rope techniques, rescue operations, and group activities. Size 1 (XS-M): Waist 62-96cm, Leg 47-61cm Size 2 (L-XXL): Waist 83-110cm, Leg 54-72cm Weight:Size 1 (XS-M): 476g Weight: Size 2 (L-XXL): 544g Certifications: CE0082 EN12277 UIAA