Be prepared for your trek, hike or bike ride with the High Sierra 25L Riptide hydration pack backpack. Stay hydrated and avoid thirst with the the 2L hydration system that is built into the backpack that also features an insulated hose cover and BPA Free construction. The AIRFLOW 2 suspended back panel system helps you stay cool when days are hot providing you with free flowing air to your back. Feel the comfort all day with the padded shoulder straps and take advantage of the sternum strap and load lifters to alleviate weight off your shoulders. The Hexagon ripstop material can handle any adventure you go on giving you peace of mind that it can handle anything you put it through.