Hydro Flask 5L Down Shift Hydration Hip Pack Size:5L Polycarbonate lenses are lightweight and

Polycarbonate lenses are lightweight and shatter-resistant

Bottom waist adjustment

It is an excellent choice for alpine skiing

52% Merino wool 48% Tencel™ Lyocell

Hydro Flask 5L Down Shift Hydration Hip Pack Size:5L Polycarbonate lenses are lightweight andDesigned to keep your water cold and back ventilated, the Down Shift Hydration Hip Pack features our revolutionary Cold Flow System that keeps water chilled 3+ hours. The ripstop bottle pockets ensure you're well hydrated for longer rides; and the quick stash pockets are easy to reach without ever removing your pack. Product Benefits Cold Flow System? keeps water cold for 3+ hours HydraPak? IsoBound? 1. 5L Insulated Reservoir High flow HydraPak?