Xiaomi City Backpack 2 Light Grey

Comfortable and useful Xiaomi backpack.

featuring several pockets, minimalist design
The lightweight and compact pocket can hold books, cell phone, wallet, power bank, etc.
  15.6-inch laptop easy to hold in the middle pocket
  Made of polyester material, durable, scratch-resistant and water-resistant, ensuring the integrity of the contents.

The reduced weight of the backpack and its large capacity offer the comfort you need.
  The extra handle turns it into a bag, nylon padded cotton lining, durable
  Updates the S-type strap to reduce pressure on the back and shoulders, padded strap and back, soft and comfortable to use
  Level 4 Waterproof, lightweight and wear-resistant
  Large capacity of 17 liters and load capacity of 25 kg
The Xiaomi Classic Business Backpack 2 has a multi-layer system to decrease compression and vibrations on the back. There are three layers of mesh fabric, one layer of EPE liner, and Oxford type fabric, all to increase comfort and dissipate heat at the same time.
In case you are forced to travel with something to keep cool, you could also use the thermal pocket on the back.