An Updated version of the classic shell pants in gore pro... AR stands for all round, be that ski touring, mountaineering or winter climbing. The face fabric is a very burly n100px with a smooth yarn that resists water uptake. These very tough pants feature Detachable braces and calf straps. As you?€?d hope from Arc'teryx these boast Superb build quality and attention to detail, with nice touches such as a laminated protective layer on the inside of the lower leg to guard against wear from boots. The ultimate winter and alpine shell trousers?