The Nordic Winter Pack is a slim but capable run/ski/ride hydration pack specifically developed for big adventures when XC-skiing, running or mountain biking in the cold weather. All day. New. never used. This pack deliverers 10L of total storage, including a 2.0L hydration bladder. That means you can carry spare gear, snacks, and any winter essentials. What's more is their revolutionary Thermo Cell insulation technology. This is unlike anything else because it eliminates the risk of a freezing drink tube and bite valve even in the most extreme conditions. This pack has revolutionized what athletes experience when training and racing in winter conditions and ensures you can head out in the cold prepared. Highlights: 2.0L / 70 oz Hydration bladder included 10L total storage Weight: 510g (*excluding bladder) Zero bounce with No Dancing Monkey™ 1.1 + Thermo Cell NDM Buckle - Technical buckle for a more secure closure and a better fit Thermo Cell - technology to keep your hydration from freezing in cold weather.