This is an REI Venturi 30 hiking, biking and camping backpack in blue and gray - excellent, like new condition. Used maybe once. Dimensions: 20.5 x 9 inches Fits Torso: 18 - 20 inches,17 - 19 inches,17 - 19 / 18 - 20 inches Features: Free Flow tensioned mesh backpanel allows uninhibited breathability and alleviates common pressure points Suspension allows warm air to escape and fresh air to circulate between pack and your back Perimeter lightweight tubular aluminum frame provides structure Shoulder straps and hipbelt feature perforated foam padding for breathability; stabilizer straps let you set proper pack position Precurved shoulder straps and hipbelt match your anatomy for nonbinding comfort, and stabilize and control lateral movement when you're on the go Panel-loading main compartment has plenty of room for those done-in-a-day trips Front panel features a welded, water-repellent zippered pocket for storing often-used gear such as map, headlamp and spare batteries Upper stash pocket has a welded, water-repellent zipper and stores small essentials such as keys and cash Twin hipbelt zip pockets store those small essentials you want at your fingertips, such as your digital camera, lip balm and sunscreen Minimalist twin tool loops and bungee lash straps let you secure trekking poles and ice axes Hydration-compatible design features reservoir pocket and twin drink tube ports over either shoulder for on-the-go access (reservoir sold separately)