High Sierra Wave 50 Hydration Pack for $39.99

Great for biking, hiking, skiing or any other active way you spend the day, the Wave 50 pack holds a 1.5-liter water reservoir for easy, hands-free hydration when you're on the move. With intelligent extras like an easily accessible reservoir cap, accessory pocket, and an insulated tube cover, Wave 50 keeps you hydrated with benefits. Features include an insulated water tube cover that prevents freezing, a zippered front accessory pocket that holds smaller items such as keys or a cellphone, hands-free water tube pressure valve, and quick, convenient filling.