Shop By Capacity

Medium Backpacks (2-3 Outfits)

Our medium backpacks are do-it all bags. Unexpanded, they are great for everyday, around-town carrying. Ready to travel? Expand the patent-pending, hidden suitcase compartment and pack what you need for a couple of days on the road. Compare Sizes

Our medium backpacks are do-it all bags. Unexpanded, they... read more >

Large Backpacks (3+ Outfits)

Go ahead, throw in whatever you want.  If you’re a “just-in-case” type of person, our large backpacks are the perfect solution. With a spacious everyday compartment and a separate roomy, expandable packing compartment, large Knack Packs have the capacity for whatever you want to bring.  And, just in case you want to bring them on a plane, we designed them to fit in the overhead compartment. Compare Sizes

Go ahead, throw in whatever you want.  If you’re a “just-in-case”... read more >

Medium Convertible Duffel (5-6 Outfits)

This new Convertible Duffel will give you the ability to switch from duffel to everyday laptop backpack during your daily journey. Used as a duffel, a simple zip increases its capacity by over 40%, from 28 liters to 40 liters, so it has room for up to a week of clothes.

This new Convertible Duffel will give you the ability to... read more >

Small Backpacks (1-2 Outfits)

Our small backpacks are the perfect size for work and play every day.  Need more room for gym clothes or an extra outfit? Just unzip and expand the hidden suitcase compartment and pack it up. Compare Sizes

Our small backpacks are the perfect size for work and play... read more >

SMALL, MEDIUM & LARGE BACKPACKS

We created Knack Packs to be the one bag that you can take with you almost anywhere. Whether its one of our small backpacks for carrying to work or one of our large backpacks to carry to Europe, our line-up will fit your needs like a glove. While we offer our small, medium and large backpacks in a number of colors and materials, they all have an organized everyday section, a padded laptop pocket and a hidden, expandable packing compartment for clothes.