Mammut's Trion Guide 45 Pack is a robust pick for the four-season climber who's on a done-in-a-day mission or a multi-day tour. The Butterfly suspension system offers full freedom of movement through the upper body while high-density EVA pads the shoulders, hips, and back for load-carrying comfort. A reinforced ski carrier, two ice axe carriers, daisy chain, and detachable rope strap provide ample storage solutions for all of your tools and toys. Hydration compatible (Note: New Condition - Color: Black/Gray - Price: $100 + Shipping.