REI Co-op Link 10 L Hydration Pack

Color: Castlerock
Size: One Size

Members get an estimated $8.00 (10%) back on this item as a part of your annual .

Members get an estimated $8.00 (10%) back on this item.
To buy,  sign in as an REI Co-op Member or join now.

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.

Location Image of color Castlerock
Location Image of color Castlerock


  • Included 1.5 L reservoir is positioned at your lumbar to keep your center of gravity low and maintain good balance
  • Rugged, recycled ripstop nylon pack with a durable water repellent (DWR) finish is tough enough for days on the trail
  • Main compartment includes pockets for tools, tube and pump, plus a zip mesh pocket with key fob
  • Main compartment opens at the rear so you can get to your tools—and the front of the pack lays in the dirt rather than your shoulder straps while you work on your bike
  • Breathable and comfortable mesh foam padded back panel
  • Ventilated, padded shoulder straps plus sternum strap
  • Webbing waistbelt
  • Zip pocket on top for quick access to phone, sunglasses or food; stretch mesh side pockets for snacks or extra water bottles
  • Compression straps double as helmet-carry attachment point
  • Reflective logo and reflective loop for attaching a light help you stay seen in low-light situations
  • Contains materials that meet the bluesign® criteria
  • REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon credits


View the REI Co-op Link Product LineView all REI Co-op Cycling Hydration Backpacks

Technical Specs

Best Use

Mountain Biking

Frame Type

Internal Frame

Gear Capacity (L)

10 liters

Gear Capacity (cu. in.)

610 cubic inches

Reservoir Compatible


Reservoir Included


Bottle(s) Included


Liquid Capacity (L)

1.5 liters

Liquid Capacity (fl. oz.)



18 ounces

Fits Torso Length (in.)

16-20 inches

Fits Waist/Hips

26-34 inches


Recycled ripstop nylon and recycled polyester (bluesign® approved)

BPA Free


Pack Access


Number of Exterior Pockets

3 + main compartment



Bite Valve Shut-off Switch



17 x 9.5 x 5 inches




Contains materials that meet the bluesign® criteria

Contains recycled materials

From a Climate Neutral Certified brand

10 reviews with an average rating of 4.5 out of 5 stars

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