Parameters:-backpack will take whatever you throw at it. Made from tough high-density 900D Oxford Material, it's water resistant and rip proof with lots of pockets for all your kit.-50L capacity with multiple compartments, pouches and zip pockets-high quality zips and upgraded extra-durable plastic hardware-Easily holds 2 pairs of trainers/footwear, towel, gym clothes, meal prep and small training tools-Dedicated laptop/device compartment (17'')-MOLLE design and system with front and side webbing for extra attachments-Ergonomically designed adjustable compression straps with hook-and-loop ties for comfortable carrying-Backpack opens flat to 180 degrees for easy packing/unpacking-All compartments have two-way openings, storm flaps and pull tabs for easy access-Rip proof and water resistant-hiking backpack size: 50cm x 30cm x 30cm/19.68"*11.81"*11.81" inNote:1.Please allow 1-3cm differences due to manual measurement, thanks.2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.