while the largest cube (M) stores your pants

lightweight 100% ocean-recycled fabrics

The lightweight Terra Shell™ 210D ripstop 100% recycled nylon exterior is abrasion-resistant and weatherproof

water-resistant pack cloth upper with a cinch top closure

Made from a lightweight 100% ocean-recycled fabric

ReFraction™ Packable Backpack Color:Black while the largest cube (M)The ReFraction Packable Backpack is an all round, packable backpack designed with high performance outdoor materials and a deceptively clean look. Stow the backpack into its own built in storage pocket for travel. It is built for all kinds of travel with the performance, comfort, and aesthetic that take you from airport, to city, to trail.