Large Cold Shoe Square Business 16 Computer Business Outdoors [SUNOGE] Rucksack, Men's Backpack, Capacity, 40L, Insulation, Storage, Backpack, Inch,

[40 liter large capacity design] Square shape + wide gusset provides excellent storage capacity, allowing you to store a 15.6-inch laptop, 9.7-inch tablet, A4 size documents, shoes, and a change of clothes for 3 to 5 days in one place! It also has a carry-on function, which is essential for business trips and travel. [Multi-functional/Lots of Pockets] The backpack has 17 pockets, so you can separate and store things neatly; it has a shoe storage pocket, dry/wet separation pocket, cold storage pocket, and back pocket, making this model recommended for business trips, travel, and the gym. [Body-friendly backpack] The double design of the chest belt and hip belt allows you to secure the backpack more stably to your body, further reducing the strain on your body, and ensuring a comfortable carrying experience that reduces fatigue even when carried for long periods of time. The back is made of 3D mesh breathable mat material. It has good breathability and quickly absorbs and diffuses moisture such as sweat, providing a comfortable feeling when using it. [Water-repellent treatment] The main material uses a highly water-repellent coating material. In addition to increasing water resistance, it has a subtle glossy appearance, is resistant to pulling and friction, does not stretch or shrink, and has a mature appeal. By paying close attention to the materials and textures, it feels nice to the touch and exudes a sense of luxury. Achieves quality suitable for daily use (please note that it is not completely waterproof) [With improved USB charging hole] With the improved USB charging hole, you can charge your smartphone while carrying it on your back, and you can also listen to music and make calls using the headset. A large-capacity backpack with a cold/thermal function that can also store shoes.