DESC: Arc'teryx designed the R275 LT Harness for climbers and mountaineers who are looking to cut weight while still preserving safety. At a slim 9.7oz, the R275 boasts a beefed up protection where it counts as well as wear-markers on the belay loop and tie-in points so you know when it's time to hang it on the trophy wall. A self-locking buckle prevents accidental ejection at altitude and four gear loops and a haul loop provide ample storage for gear.