TOPO DESIGNS Daypack Classic Backpack in Grey. TOPO DESIGNS Daypack Classic Backpack in Grey. Twill exterior and twill lining. Wrap around zipper. One main compartment. One internal and external padded sleeve for 15 laptop. One exterior sip pocket. Two side water bottle pockets. Measures approx 13 W x 19 H x 5 D. TOPR-MY19. 932416AsphBlk. Topo Designs is based around the idea of simplicity and a sense of connectedness. The brand wants to ensure an undisturbed outdoor experience by creating things that work well, but aren?t complicated or overshadowed by the latest technology. They locally produce high quality gear and clothing so people can feel a bigger sense of community every time they use one of their products.