Here's what other sites are saying:
The perfect companion for alpine and trekking adventures, the Mammut Trea Spine 35L Backpack is designed specifically for the female body to ensure lasting comfort on both the way up and down. Starting with the innovative suspension system, Mammut's patented Active Spine Technology works with a women's anatomy by allowing the shoulders and hips to move more freely, thus promoting a natural gait and optimum load distribution. Two-layer EVA padding in the backpanel, shoulders, and waistbelt cushion the load where you need it most, and the large front opening gives you easy access to all of your equipment at all times. Two strong ice axe attachments add external storage for those multi-faceted adventures, while the reinforced side ski attachment makes it easy to get to those otherwise un-skiable lines. Lateral compression straps help stabilize the load and can be tensioned to carry extra gear, and a ton of zippered pockets organize all of your smaller items you'll need throughout the day.
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