When you're on the go, you need to know that your gear is safe. That's why you need an Urban Armor Gear backpack. Our backpacks are made from ballistic nylon and Kevlar, so they can take a beating. And they're available in 18 liter and 24 liter sizes, so you can choose the right backpack for your needs. So don't take chances with your gear. Protect it with an Urban Armor Gear backpack.