Dimensions 20in x 13in x 7in 52cm x 33cm x 18cm Durable outer fabric construction repels water in snow and wintry-mix conditions 50/50 bag opening; Secondary organization compartment; Plush air-mesh back panel with airflow zones Internal compressions trap Internal mesh divider External padded easy-access laptop compartment [16.5in x 12in] [42cm x 30cm] Multiple external accessory pockets; Zippered water bottle pocket Meets most airline carry-on size restrictions bluesign® approved materials use only safe chemicals and reduce impact on both humans and the planet during manufacturing