Hydraulics 3L Res BOYS OUTERWEAR and a waterproof/breathable footbox to

and a waterproof/breathable footbox to withstand tent condensation

With an all-new rotomolded hull construction

Durable and strong

or wear it as a base layer when the chilly weather rolls around

no bite" seat and mesh backrest to keep you cool and comfortable

Hydraulics 3L Res BOYS OUTERWEAR and a waterproof/breathable footbox toOsprey's Hydraulics 3L Reservoir by Hydrapak is ideal for large volume packs and long duration activities. The HydroStatic backerplate provides structure for easy loading into a full pack and maintains a flat profile. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA free, phthalate free, lead free, guaranteed. All materials are certified food safe according to FDA and EU