Dual side zips allow Sling-style access: Dual-sided, super durable UltraZips allow full side access to your gear. Padded grab handles on all sides of the bag give quick carrying options. Weatherproof: Weatherproof exterior zips and weatherproof impregnated fabric (which means it won&';t wear off over time) strong nylon canvas keeps your gear dry. Theft Deterrent Zippers: Access points on the Backpack can be secured. Looping the external zipper loops through the external carry loops to help deter pick-pockets. External Carry: When you have something that won&';t fit inside your Backpack, strap it to the outside using the included external carry straps. Large side pockets allow carry of items such as waterbottles and tripods. MATERIALS: -Exterior fabric is weatherproof with super-durable UltraZips -100% recycled external fabric. Nylon and polyester fabrics -Woven nylon webbing, EVA foam, Hypalon, Anodized Aluminum and Stainless Steel components. WEIGHT: Without Dividers: 1.76kg (3.88lb) With Dividers: 2.11kg (4.65lb). WHAT&';S IN THE BAG? 4x External carry straps (2 short, 2 long) 3x FlexFold Dividers 1x Sternum Strap 1x Key Tether Expandable volume from 22-30L.