The Expanse™ 4-Wheel 60L / 26” features rugged multi-directional wheels and a heavy-duty wheel housing. Expansion zipper for added storage, interior compression straps and zippered mesh door panel pocket help make staying organized easy even when you overpack. Durable and bluesign® approved 100% Recycled Poly Ripstop construction makes this bag is as good for you as it is the planet.