Extend the fit of your hipbelt with the REI Co-op Packmod hipbelt extender. Universal for most 38 mm webbed packs and inclusively designed to fit sizes up to 6x—buckle up and hit the trail.

Pack, Bag, and Case Parts and AccessoriesHip Belts

Adding extra storage for the stuff you need to grab fast, the REI Co-op Packmod hipbelt pocket slides easily onto most any size hipbelt or waist strap.

Pack, Bag, and Case Parts and AccessoriesPack Accessory Pockets

Adding on extra storage for the stuff you need to grab fast, the REI Co-op Packmod hipbelt pocket slides easily onto most any size hipbelt or waist strap.

Pack, Bag, and Case Parts and AccessoriesPack Accessory Pockets

Make more space for your daily essentials with the REI Co-op Packmod mesh pocket—designed to attach to any latch points on your pack and create a sleeve for long, vertical items.

Pack, Bag, and Case Parts and AccessoriesPack Accessory Pockets

Securely attached to your pack shoulder strap, the REI Co-op Packmod Rainshield pocket holds gear that you want to keep dry—like a phone or GPS—nearby and protected from foul weather.

Pack, Bag, and Case Parts and AccessoriesPack Accessory Pockets

Securely attached to your pack shoulder strap, the REI Co-op Packmod Rainshield pocket holds gear that you want to keep dry—like a phone or GPS—nearby and protected when weather does its thing.

Pack, Bag, and Case Parts and AccessoriesPack Accessory Pockets

The Osprey Quick Connect Hydration Hose Kit installs onto your hydration reservoir hose to allow quick and easy disconnection from the reservoir for cleaning.

Pack, Bag, and Case Parts and AccessoriesHydration Tube Accessories

Featuring an inline quick-disconnect coupling, the Gregory Quick Disconnect Kit allows you to make easy refills without having to unthread the hose from your pack's tube port and shoulder harness.

Pack, Bag, and Case Parts and AccessoriesHydration Pack Flow Tubes

Add lightweight, versatile storage for your essential accessories to your MYSTERY RANCH Coulee or Bridger pack (not included) with this medium-size MYSTERY RANCH Quick-Attach Zoid bag.

Pack, Bag, and Case Parts and AccessoriesPack Accessory Pockets

Add lightweight, versatile storage for your essential accessories to your MYSTERY RANCH Coulee or Bridger pack (not included) with this small-size MYSTERY RANCH Quick-Attach Zoid bag.

Pack, Bag, and Case Parts and AccessoriesPack Accessory Pockets

Outfit your pack with the built-in confidence of clean drinking water. This CamelBak Reservoir Filter Kit offers 2 complete stages of LifeStraw® filtration for your CamelBak reservoir (not included).

Hydration Tube AccessoriesHydration Pack Filters

Make filtering a bit easier at camp. The CamelBack Reservoir Gravity Kit converts your Crux reservoir into a gravity filtration bag when paired with an in-line filter (reservoir/ filter not included).

Hydration Tube AccessoriesHydration Pack Filters

Use the Osprey Sternum Strap Hydration magnet kit to make your backpack compatible with an Osprey HydraForm™ reservoir (sold separately).

Hydration Tube AccessoriesTube Clips

Give a lift to your fully-loaded lumbar pack. Attach the over-the-shoulder Mountainsmith Strapettes to carry your waist pack like a backpack.

Pack, Bag, and Case Parts and AccessoriesBackpack Shoulder Harnesses