1、Insulated Design: The interior of the bottom zipper compartment is designed with thermal insulation aluminum foil material, which can be used for storing fruits, cold drinks, etc., with good preservation effect. Thick and comfortable shoulder strap, breathable mesh material, breathable and dry for a long time.2、The Oxford Cloth: The backpack is made of high density Oxford fabric, which is wear and scratch resistant, and prevents water splashing in rainy days, comprehensively protecting the interior of the backpack.3、Side Cable Holes: USB cable hole design on the side of the backpack, making it very convenient for connecting data cables at any time.4、Greater Capacity: Large capacity design, internal independent lining partition with half a bag, practical partition, and orderly storage of items. It can store mobile phones, shoes, water glasses, hats, hiking sticks, cameras, clothing, daily necessities, laptops, headphones, etc.5、Convenient Carry: Can be carried on one shoulder, two shoulders, or by hand, with a pull strap on the back, and can be fixed to the luggage compartment, making it convenient to carry. Widely used for hiking, cycling, fitness, skateboarding, mountaineering, shopping, etc.