Camelbak StoAway Hydration Pack (70 oz.):
Make any backpack a winter hydration pack with the Camelbak Stoaway 70oz Hydration System. Built with an Omega™ HydroTanium™ Reservoir and fully insulated, the Stoaway 70oz will keep 2 liters of water from freezing as you explore the backcountry, take laps on the cone, or venture out for an epic day on your Nordic skis. Designed specifically for anyone who wants to add winter hydration to an existing pack, the Stoaway 70oz is for you.