TOPSKY Outdoor Sports Waterproof Hiking Climbing Internal Frame Backpack Unisex 40L 50L 60L Lightweight Trekking Travel Daypacks with Rain Cover nylon Weight only 1.3kg and 1.5kg, 1.7kg; 6 colors available: Black / Blue/ Army / Orange / Cyan / Red; Product Dimensions: 21.5 x 12 x 6.2 inches (40L). ; 23.4 x 12.4 x 6.6 inches (50L); 25.3 x 12.8 x 7 inches (60L) 3 Capacity for choosing: 40L, 50L, 60L; High quality professional backpack for camping, hiking and backpacking. Main compartment, secondary compartment, sleeping bag compartment with divider, bladder compartment with hydration access, hip-belt pocket, top lid pockets, side zipped pouch and mesh side pockets to keep your stuff separate and organized. Extend hanging tools: Daisy chains, D-shape hooks, compression straps, bottom loops, soft latching loops, key rings and bottom straps for hanging tools, trekking pole, tents, sleeping bags, and other accessory. Powerful function, Traveling around the world is not a problem. SBS zipper, YNS buckle, cold-resistant and securely; reflective strip design and hydration outlet design, water repellent and come with a rain cover, perfect for outdoor sports. 3D resin mesh carrying system, increase resin mesh back and air cushion gasket waist, 3D breathable mesh and inner filling soft interlayer sponge, buffer shock absorption, reduce the pressure of body contact area, further enhance with comfort.