When youre on the mountain the last thing want to do is waste time fumbling through a pack looking for the one piece of gear that fell to the bottomespecially when youre wearing gloves. The SnoBlasts tri-zip design means you can choose between opening the top of the pack or unzipping it down the side to instantly reveal the entire contents of the pack. This versatile compact pack is perfect for carrying your lunch shed layers helmet and 2 liters of hydration for a full day on the slopes. The SnoBlast expands to offer an extra 6 liters of storage for additional gear and cinches down into a lift-friendly low-profile design. When you really want to load up the external attachment points let you carry a helmet and snowshoes on the outside of the pack. The Therminator harness also keeps your insulated drinking tube zipped securely into the shoulder strap which keeps it from freezing in cold weather.