Loops and D rings for extra hanging system.
the laptop sleeve could be taken out (fixed by verclo) zipped pocket on front to keep phones wallets at hand
Ventilated backpack panel, padded with sponges, soft and comfortable
With sternum straps so the backpack sit securely on your back
Inside with removable backpack compartment.
fixed by velcro
Expandable side pocket, perfect for bottle and Pepsi : ).
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