These pants are designed for optimal mobility on the climb, with a long length gusset at the crotch and climbing-specific knee articulation giving you the freedom you need when you're making the crux move. The lower leg is tapered to allow you to easily find the next foothold and is also stretchy at the hem so that it can fit securely over most summer alpine boots. Kicker patches reinforced with Matrix RX provide extra durability, while the specially placed zipped hand and thigh pockets give access to the essentials when you're wearing a harness.These slim, lightweight, highly breathable and durable pants are perfect for your alpine adventures. When you need flexibility and protection in a lightweight package, these technical alpine pants are fine-tuned for the toughest vertical missions and long, hot multi-pitch routes. The Ascendor Light Pants are a highly breathable version of the popular winter mountaineering pants, engineered with ultralight, durable Matrix fabric and a slim fit that won't hold you back on fast ascents. Keeping only the essential features and fabric, they're barely noticeable when worn, yet tough enough to stand up to rock, tools, and the demands of alpine use. Lightweight, part elasticated waistband reduces bulk while providing support and structureLow-profile bonded belt loops give additional support optionsWaistband features a double snap closure and YKK zip fly2 harness-compatible YKK zipped, mesh-lined hand pockets1 YKK zipped harness compatible mesh-lined thigh pocketLong-length gusset at crotch for increased mobilityKnee articulation for ease of movementReinforced kicker patches and hems for durabilityAnkle hem will accommodate a B2 mountaineering bootSlim fitWeight: 277g/9.7oz (Size M)Main fabric: Matrix single weave stretch nylon (108gsm) with fluorocarbon-free DWRSecondary fabric: Matrix RX (186gsm) reinforcements with fluorocarbon-free DWR_