Aggressive attention to performance details and their commitment to quality combine in an alpine-ready pack. The Arc'teryx Alpha FL 45 is highly weather resistant, and designed for the rigors of ice and granite, this is the next level for climbers and ski mountaineers. Arc'teryx commitment to each subtle detail may seem obsessive, but these details come together to elevate performance. The suspension system offers load support with minimal weight, and the double pull drawcord closure is easy to operate, even with gloves on. Collar serves to extend volume and protect contents when not required.