Along with generous capacity that swallows bulky layers and gear for any day trip you can dream up, the Gregory Inertia 30 hydration pack includes a 3-liter reservoir to keep you hydrated on the go.

Hydration Packs and VestsHydration Backpacks

Big enough to stash your gear for a full-day trail loop, the women's Juno 24 H2O hydration pack comes with a 3 L reservoir and a ventilated back panel so you can stay cool and hydrated on the move.

Hydration Packs and VestsHydration Backpacks

Keep your pace without having to stop to rehydrate. The women's Gregory Juno 30 H2O hydration pack helps you sip on the move from its 3 L reservoir and hauls the gear you need for a day on the trails.

Hydration Packs and VestsHydration Backpacks

Hike with your H2O in tow. With plenty of space and comfort for tackling big treks, this women's Gregory Juno 30 H2O pack helps you keep your pace and rehydrate on the move.

Hydration Packs and VestsHydration Backpacks

With no unnecessary frills, the streamlined Osprey Katari 1.5 hydration pack holds only the essentials and comes with a next-gen Hydraulics™ 1.5-liter reservoir for critical hydration on your ride.

Hydration Packs and VestsHydration Backpacks

Carry a few essentials—water, snacks and a multitool—with the minimal storage of the men's Osprey Katari 3 hydration pack, which comes with a next-gen Hydraulics™ 2.5-liter reservoir to stay hydrated.

Hydration Packs and VestsHydration Backpacks

At 7 liters, the men's Osprey Katari 7 hydration pack has enough storage to pack snacks, tools and an extra layer, plus it comes with the next-gen 2.5-liter Hydraulics™ reservoir to keep you hydrated.

Hydration Packs and VestsHydration Backpacks

With no unnecessary frills, the streamlined women's Osprey Kitsuma 1.5 hydration pack holds only the essentials and comes with a next-gen Hydraulics™ 1.5 L reservoir for critical hydration on rides.

Hydration Packs and VestsHydration Backpacks

Carry a few essentials—water, snacks and a multitool—with the minimal storage of the women's Osprey Kitsuma 3 hydration pack, which comes with a next-gen Hydraulics™ 2.5 L reservoir to stay hydrated.

Hydration Packs and VestsHydration Backpacks

At 7 liters, the women's Osprey Kitsuma 7 hydration pack has enough storage to pack snacks, tools and an extra layer, plus it comes with the next-gen 2.5-liter Hydraulics™ reservoir.

Hydration Packs and VestsHydration Backpacks

Redesigned with lightweight, breathable materials and a comfortable all-day fit, this CamelBak Limited Edition Chase 8 bike hydration vest has you covered for a full day's ride or ace.

Hydration Packs and VestsHydration Vests

The 2-liter Nathan Limitless Run hydration sling easily goes over either shoulder and won't bounce when you're on the go so you can cover some miles with your running essentials securely stowed.

Hydration Packs and VestsHydration Vests

Designed with runners in mind, the 8-liter Nathan Limitless Run hydration sling fits on either shoulder and includes a hydration flask and a removable strap that ensures a no-bounce run.

Hydration Packs and VestsHydration Vests

Stay hydrated, carry all the gear you need for a long singletrack day—and preserve your balance with help from the lumbar reservoir carry system of the 10 L REI Co-op Link hydration pack.

Hydration Packs and VestsHydration Backpacks