Gregory Mountain Products Zulu 40 Liter Men's Backpack, Feldspar Grey, Medium VENTILATED SUSPENSION: Updated CrossFlo Suspension. Dual-density hipbelt and shoulder harness foam for improved heavy load stability. LOAD BEARING COMFORT & FRONT ZIP ACCESS: Enhanced lumbar foam layering for increased load-bearing comfort. Front U-zip main compartment access panel. AMPLE STORAGE TO ORGANIZE YOUR TRIP: Permanent top lid with zippered with security pocket and key clip. Front bucket pocket for quick gear storage. Two external stretch water bottle pockets. EASY ACCESS TO IMPORTANT GEAR: Dual quick-access waist belt pockets. Hideaway ice axe/trekking pole loops. Integrated rain cover. Sunglass stash on shoulder harness. IDEAL USES: Backpacking, Camping, Hiking, Travel, Trekking - WEIGHT: 2.86 lbs. - DIMENSIONS: 23.5" x 13.5" x 9.5" Pockets: 1 interior slip, 1 interior zip, 8 exterior