Arnés de escalada Mammut Sender Light - naranja vivo L

At just 260 grams in size L, the Mammut Sender Light Harness sets a new benchmark for lightweight performance in sport, alpine, and multi-pitch climbing. Its Split Webbing Technology distributes load across flat, wide webbing, eliminating pressure points without the bulk of traditional padding.

Overview

The Sender Light is built for climbers who count every gram but refuse to compromise on safety or functionality. The fixed leg loops and single Slide Bloc buckle streamline the design, while four gear loops and a robust haul loop keep your rack organized on long routes. Certified to CE EN 12277 Type C and UIAA, it meets the highest standards for climbing harnesses.

What stands out

• Ultra-lightweight construction: only 260 g (size L) for minimal burden on the wall.
• Split Webbing Technology: spreads pressure evenly across the waistbelt and leg loops for all-day comfort.
• Durable materials: polyamide and Dyneema® webbing with aluminum hardware ensure long-lasting reliability.
• Streamlined design: fixed leg loops and a single buckle reduce weight and snag points.
• Ample gear capacity: four gear loops and a strong haul loop accommodate a full trad or sport rack.

Technical details

• Harness type: Sport climbing, alpine climbing, multi-pitch climbing
• Weight (size L): 260 g
• Number of gear loops: 4
• Adjustable leg loops: No (fixed)
• Waist circumference (size L): 84–90 cm
• Leg loop circumference (size L): 58–62 cm
• Buckle type: Single Slide Bloc buckle
• Certifications: CE EN 12277 Type C, UIAA
• Material composition: Polyamide, Dyneema®, Aluminum
• Construction technology: Split Webbing Technology
• Haul loop: Yes (strong)
• Ice clipper slots: No
• Gender: Unisex
• Color: Vibrant Orange
• Size: L
• Padded waistbelt: Yes (lightweight padding)
• Drop seat function: No
• Number of buckles: 1

Our verdict

The Mammut Sender Light Harness is an exceptional choice for climbers seeking to minimize weight without sacrificing comfort or safety. Its innovative Split Webbing Technology and durable construction make it a top contender for demanding alpine and multi-pitch routes.