Cotopaxi's Allpa 35L Is a Gadget-Friendly Travel Bag. But Is It Right For You? December 24, 2019 Bryan Delay Articles Cotopaxi's Allpa 35L Is a Gadget-Friendly Travel Bag. … Travel bag and gear company Cotopaxi aims to solve that problem, so we put one of the … Source: backpacking gear & Water Filtration