Gregory Mountain Products Zulu 55 Liter Men's Multi Day Hiking Backpack | Backpacking, Camping, Travel | Ventilation, Rain Cover Included, Hydration Compatible | Breathable Comfort on the Trail VENTILATED SUSPENSION: Updated CrossFlo Suspension. Dual-density hipbelt and shoulder harness foam for improved heavy load stability. Enhanced lumbar foam layering for increased load-bearing comfort. REMOVABLE TOP POCKET & FRONT ZIP ACCESS: Floating, removable top pocket with zippered security pocket and key clip. Front bucket pocket for quick gear storage. Integrated rain cover. AMPLE STORAGE TO ORGANIZE YOUR TRIP: Front U-zip main compartment access panel. Bottom sleeping bag access panel. Two external stretch water bottle pockets. EASY ACCESS TO IMPORTANT GEAR: Dual quick-access waist belt pockets. Hideaway ice axe/trekking pole loops. Sunglass stash on shoulder harness. IDEAL USES: Backpacking, Camping, Hiking, Travel, Trekking, Through Hiking - WEIGHT: 3.0 lbs. - DIMENSIONS: 25.5" x 13.5" x 11.0"