This stylish backpack is the Stir 18L from the Thule brand. The backpack is lightweight and made of a weather-resistant and abrasion-resistant coated Nylon fabric. This makes the backpack very durable and water resistant. The backpack also features an air permeable back panel and shoulder straps to keep you cool and the sternum strap and hip belt are easy to remove to completely streamline your pack. The backpack features a zipped main compartment that opens wide for easy packing and unpacking and a zipped mesh top pocket for important items such as keys, wallet or phone. The elastic side pockets are perfect for storing water bottles or other essentials and integrated attachment points make it easy to attach things like a carabiner or flashlight to the backpack. Finally, the backpack has a reflective logo to remain visible in dim conditions and has a special compartment for a hydration bladder with an exit for a drinking tube (hydration bladder is not included), so that you can always keep your hydration level up. The backpack has a capacity of 18L and a size of 20 x 20 x 45 cm.