BACKPACK PRO. Eindelijk de professionele commuter rugzak om naar je werk te rennen of te fietsen.Designed for work and play, IAMRUNBOX Backpacks are lightweight, ergonomic, and cleverly designed to keep your clothes wrinkle-free as you travel from A to B. Backpack Pro is the advanced product version with an extra laptop compartment (suitable for a 13.5" laptop) and an external shoe bag attachment string (IAMRUNBOX Shoe Bag is available to order separately in the Accessories section). This is a professional bag for active commuters who take their office on the move!