Men's Tactical Outdoor Hiking Camping Travel Backpack Climbing Training Trekking Knapsack Hook and Loop Sports Running Rucksack. Features: hook and loop design, side strap design, alloy zipper, reflective strip design, side mesh bag, back stretch cotton, breathable mesh design. Specifications: Material: Oxford, Applicable gender: unisex, Functions: wear resistance, lightening, ridge protection and safe reflection at night, Applicable scenarios: outdoor sports, mountain climbing, hiking, camping and traveling.