Source: bought it new
Price Paid: $155
Very comfortable and light. Great quality and great warranty. Recommended if you need adjustability and high performance.
I've used this on rock and ice, and I've never had any problems with comfort. This harness is extremely light, and the minimalist construction doesn't seem to take away from my comfort level on sport climbs. However, I haven't tested this on any multi-pitch routes or big walls.
Unless you really plan on adjusting the leg loops, go with the non-adjustable option
I'm 6'3" and 190 pounds, and the large fits me well.
I wish the excess straps could be tucked in better on the main belt and on the adjustable leg loops. The extra seems to dangle and doesn't stay tucked in.
Also, nobody has a better warranty than Arc'teryx, and I'd rather pay a little extra for their service and product longevity.
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Here's what other sites are saying:
The most comfortable fully adjustable all around rock climbing harness available. New, wider Warp Strength Technology (WST) swami belt and fully-adjustable conical leg loops provide supple comfort while hanging on the wall or belaying. A stronger tie-in point adds more strength to a critical area of the harness.
The Arc'teryx R320a Harness cuts weight and bulk down on your harness without sacrificing durability or comfort. The R320a is a completely redesigned harness using Arc'teryx's WST to give this jack-of-all-trades one of the lightest weights out there while still being comfortable at hanging belays. Two drop seat buckles Wear safety markers on belay loop and tie-in points WST(TM) load is evenly supported across entire harness structure Non-structural haul loop Self locking buckle Stretchy mesh storage bag Large width WST(TM) (Warp Strength Technology(TM)) swami belt Adjustable leg loops
Don't let a harness limit the kind of climbing you can do. With the fully adjustable, all-around Arc'teryx R320a harness you can spend the spring on glacier, the summer on rock and the winter on ice. Warp Strength(R) Technology (WST) allows the harness to be shaped and contoured to the climber's body for excellent support and comfort. WST eliminates the need for excessive padding by uniformly spreading the load across the entire harness. Core of tie-in points and belay loop feature Wear Safety Markers; when the sheath is worn, bright orange will show to indicate that abrasion to structural webbing may occur. Shaped for forward racking, 4 polyurethane gear loops are reversible and removable; loops remain flexible in extreme cold. Self-locking 7075 T6 aluminum buckle at the waist provides an extra margin of safety by allowing adjustments while maintaining the proper double-back configuration. Adjustable leg loops let you add layers for cool-weather climbing and are droppable for quick entry/exit while wearing crampons, plastic boots or skis. Buckles can be completely separated when needed. Drop seat makes it easy to answer nature's call while remaining tied in to the rope. 4-way stretch fabric on the exterior is lightweight and highly abrasion resistant; spacermesh on inner face is soft and breathable. The Arc'teryx R320a harness includes a non-structural haul loop in back.
Wrap Strength Technology gives the Arc'teryx R320a Harness a level of comfort that far surpasses nearly any other harness while reducing weight to about half that of a similarly sized harness. This unique construction spreads your weight over the entire surface area of the harness to support and cushion your body without the need for heavy, bulky padding. Not only are the leg loops adjustable, but they're also completely removable so you can take them off and have a little more comfort if you end up at a bivy. All of the buckles are self-locking and quick-adjust so you can't forget to double back and can make quick tweaks to the fit whenever you'd like. Take all of this into consideration, and you're going to have a hard time finding a better harness for long, hard free routes.