Backpack 70L, Oxking Outdoor Hiking Climbing Camping Backpack Professional Waterproof Mountaineering Bag Trekking Rucksack Large Travel Daypack. Features: 1.70L high-capacity,lightweight compact packable daypack, professional mountaineering Bag. Use SBS Zipper, YNS Brand fastener, use air cushion belt suspension system, Internal Frame Pack. 2.Super carrying professional adjustable weight decomposition system, could be adjustable according to your height, 3 sizes for the height: S/M/L...