Colorado–based Topo Designs creates backpacks and packs, clothing, and apparel that capture a decidedly outdoor spirit, while still maintaining a streamlined aesthetic that communicates with urban adventurers too. The classic Klettersack Backpack is designed with travel and commuting in mind. The spacious pack can hold up to 22 liters, while the slim silhouette ensures that it is not overly bulky. The exterior of the pack is made from 1000d Cordura fabric, and the interior of the backpack is lined in cloth. Each pack is handmade in Colorado.