The Karate Combat Backpack extends out from a generous 32L to a whopping 47L, for when you need room to stuff your Gi inside and make that post-workout wardrobe change. 

 

In its original form, the 32Liter Karate Combat Backpack is perfect for trips to the gym, work, school, your friend's house, and more. Expanded, it's ready to hold ALL your training gear. And if you're the outdoorsy type, you can set off for a hike with an extra 15Liters of space to fit all your camping & survival gear during a hike.