The Adjustable Back Padding Backpack by Satch is designed for ultimate comfort and functionality, featuring an ergonomic design with adjustable back length. Key attributes: Blue | Reflective | Adjustable back length from 1.40 m to 1.80 m | Laptop compartment | Main compartment | Organizational compartment | Expandable external pockets | Stays stable despite lightweight | Dimensions & fit: 28 x 45 x 16 cm |