Custom and made-to-order backpacks are commonly found in places like Portland, Oregon, and Seattle, Washington — places that offer the ideal blend of urban convenience and access to the outdoors.

When it comes to taking tools on the go, a heavy-duty tool bag or backpack can make all the difference for tradespeople, mechanics, and DIYers who need to keep their gear accessible and protected.

When Slappa announced their M.A.S.K. Custom Build Backpack, we were interested in taking it for a spin. Our interest stemmed from its level of customization and the amount of compartments it had.