Outdoor Sports Hiking Cycling Backpack for Men Drawstring Travel Camping Running Reflective Rucksack Trekking Climbing Backpacks. Features: scientifically divide the pressure and cushion the stress on the shoulder and back, comfortable and breathable back pad and belt to reduce the burden. Adjustable chest belt design, carrying stability, load-bearing without shaking. Reflective strip design, it plays a warning role at night and in dim light, making travel safer. Specifications: Material: nylon, Applicable scenarios: cycling, mountaineering, camping, traveling, etc., lining material: polyester, Function: breathable and wear-resistant, Style: Outdoor sports, Pattern: Solid color, Popular elements: sewing thread, Size: length 24cm, width 8cm and height 44cm.