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Mammut Sender Harness


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Sender Harness

Mammut's Sender series consists of high-performing climbing gear for all styles of ascent, and the Sender Harness is hyperlight and geared for all-around sending. It has that light, breathable, free-moving design that sport climbers love to fall into when they're projecting, and it's extremely packable for mountaineers and ice climbers. Mammut added four attachments for ice screws, and there are two rigid gear loops and two webbing gear loops for cams and quickdraws, and Mammut added a haul loop and chalk bag attachment for a full arsenal of climbing gear for whatever route you want to send.
  • Ultralight climbing harness built for senders
  • Split Webbing technology ensures solid security at less weight
  • Laser-cut fabric enhances breathability and ventilation
  • Single self-locking buckle at waist, elastic leg loops
  • Tie-in loop reinforced with plastic and wear indicator
  • Four gear loops and four attachments for ice screws
  • Item #MAMU51U

single self-locking
Gear Loops
Ice Clipper Slots
Haul Loop
Chalk Bag Hanger
Claimed Weight
Recommended Use
sport climbing
Manufacturer Warranty
2 years

Tech Specs

What do you think about this product?


>Rating: 4

The BEST sport climbing harness

I've used it several times
True to size
Size Bought
5` 8"
135 lbs

I've been through a handful of harnesses now, and the sender is my favorite so far! It finds a happy medium between comfort and weight. For comparison, this harness is similar to the BD solution with a little more padding and a better feeling waist. The only thing this harness is missing is a coated rear gear loops. That said, coated gear loops are unnecessary for strictly sport climbing or even light trad climbing.