Up for sale is this brand new, never used REI Link Hydro 15 backpack with 2 liter fluid reservoir. The hose mouthpiece seals are still intact.This is the perfect addition to any cycling trail ride or hike. Stay hydrated!! UPDATE - Final price reduction to $45 Size: 17 x 10 x 7 inches Weight: 22 oz. Fits torso length: 16-20" Fits waist/hips: 26-38" Liquid capacity: 2 liters (67 fluid ounces) Gear capacity: 15 liters BPA Free Additional Info from manufacturer: * Included 2-liter 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