The Sprint 3 Hydro Rucksack, from Vango, is the perfect option delivering fast hydration when you need it most on the move. Racers, sports enthusiasts & mountain runners will appreciate this compact 3L pack containing a 2L hydration bladder. The Sprint 3 features an air mesh padded foam back, waist strap & front zip pocket. Great for use while on the go, the Sprint 3 is a fantastic choice for the active person.