COLUMBIA Columbia Castle Rock 20L Backpack / Rucksack Unisex Men's Women's COLUMBIA (Columbia) is an outdoor wear brand born in Oregon, USA in 1938. To date, it has developed more than 10 original technologies and continues to provide products to help you enjoy the outdoors more comfortably. Initially, it was a small family-run hat wholesaler, but it has now grown into one of the world's largest outdoor wear brands. As a pioneer of outdoor brands, we support everyone who truly enjoys the outdoors. This backpack has excellent storage capacity and functionality. The cushioned back and shoulder straps make it comfortable to wear for long periods, and the ventilation channel in the center of the back prevents stuffiness. The shoulder straps have reflectors (reflective material) for visibility at dusk. Free Shipping