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Built for extended ski tours, the Mammut Aenergy ST 32L Backpack features a 32-liter capacity to carry everything we need for longer ski or snowboard adventures. There's plenty of room inside the pack to store our extra layers and safety essentials while the outside of the pack features attachment points for our skis or snowboard, rope, helmet, poles, or ice axe. Best of all, this pack features a women-specific fit that's tailored to our anatomy, so we can enjoy the best comfort and performance in the backcountry.