FOR A LIGHTWEIGHT FEEL AND A COMFORTABLE FIT - THE GREGORY ZULU 40L BACKPACK. Find comfort with the Gregory Zulu 40L Backpack. This durable and lightweight pack features large main compartments with all the features you need to organize your things and fit all your gear. It in adjustable and features innovative ventilation to keep you feeling fresh while on the trail. FEATURES Updated CrossFlo Suspension. Hybrid top loading panel access to main body Zippered pockets on exterior and interior of hybrid panel access. Two external stretch water bottle pockets Dual quick-access waist belt pockets. Trekking pole attachment points double as ice axe loops. Integrated rain cover Interior security pocket with key clip. Sunglass stash on shoulder harness