The Rains Backpack is characterized by its prominent flap and central strap with carabiner closure. This waterproof backpack, with its clean and timeless design, features an internal laptop pocket, a spacious main compartment, and a hidden external pocket for your phone on the back panel. The Backpack is made of Rains' signature waterproof PU fabric, designed to be sturdy, durable, and pleasant to the touch. Waterproof.