Airporter Large Color:Shadow Grey It's a great piece for

It's a great piece for working out or playing outside

but be aware of your surroundings

the built-in grooves on the bottom help it stack perfectly on top of another one just like it

Toe loop for secure movement

Airporter Large Color:Shadow Grey It's a great piece forOsprey's Airporter Backpack Travel Cover is designed shield your pack from unnecessary damage incurred during transit. Lockable zippers provide an extra layer of security for your gear when you're on the road. Size large designed for packs 70 110 liters. Features Protects backpacks when traveling or checking in at airports Compact duffel to carry extra gear Large lockable zipper opening for easy loading Comfortable stow away shoulder strap Top and