Ideal for walking hiking or running this pack offers comfortable and stable lumbar hydration the pack gives you a lower center of gravity for more stability and surer footing on the trail and the internal compression straps keep the reservoir from sloshing around as your drain your water supply with 15 l of hydration the flashflood is ideal for an essentials only run hike or ride use the center cinch belt to tighten the pack on the move the padded air mesh back panel will keep things cool and co