Rubberized Nylon Material Impemeabiele.
Flat backpack but very comfortable and roomy.
In the first space mesh pocket closed with zip-pocket closed with zip-space for business cards-pens and telephone.
On the back padded pocket for computers up to 15/6 ".
Two security pockets on the back.
Padded back with breathable mesh fabric and band to insert trolley.
Padded and ergonomic shoulder straps.