Arc’teryx SL-340 Climbing Harness

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Item #: 332078344

Created specifically for sport climbing, the Arc'teryx SL-340 harness delivers security, agility and freedom. Hardwearing Burly™ Double Weave absorbs little to no moisture, dries quickly and is soft against skin. The waistbelt construction is updated with a softer edge that creates less pressure and improves overall comfort. At 340 g (12 oz), this is lightest and most compact Arc'teryx harness.

SL: Super light. The lightest and most compact Arc’teryx climbing harness is streamlined, nimble, and created specifically for sport climbing. Unisex size fits women and men.


  • WST™ (Warp Strength Technology) load is evenly supported across entire harness structure
  • Wear safety markers on belay loop and tie-in points
  • Self locking buckle
  • Stretchy mesh storage bag
  • Rear haul loop
  • Two gear loops
  • Sure fit elasticized fixed leg loops enable a precision fit with varying layers
  • Longer belay loop fits both men and women
  • Stainless steel quick hook on the rear leg elastic permits using the bathroom without taking off your harness
  • Burly™ Double Weave four-way stretch fabric
  • 7075 T6 aluminum anodized buckle
  • Type 66 nylon webbing
  • Polyurethane gear loops


  • Weight: 340 g (12.0 oz)
  • Waistbelt size: 71-79 cm (S), 78-86 cm (M), 86-96 cm (L), 95-106 cm (XL)
  • Leg Loop size: 51-55 cm (S), 55-59 cm (M), 59-65 cm (L), 62-69 cm (XL)
  • Certification(s): CE EN 12277 type C, UIAA


Overall Rating: 4.5
Recommended By: 67%
Arc’teryx SL-340 Climbing Harness
Overall Rating: 4.5
Recommended By: 67%