W3: Water performance level.
Waterproof protection from light rain.

The Backpack model is characterized by a prominent flap and a central strap with lobster clasp closure. This waterproof backpack, with clean and timeless lines, features an internal laptop pocket, a large main compartment and a hidden external cell phone pocket on the back panel.
The Backpack is made of waterproof PU fabric by Rains, number one in rainwear with a typically Japanese style, designed to be robust, long-lasting and pleasant to the touch.