Osprey Metron WP 25

"The Metron WP 25 from Osprey is the ideal companion for anyone who commutes by bike every day, regardless of the weather. Thanks to its waterproof construction with double-coated fabrics and welded seams, the contents of the backpack always stay dry. The waterproof roll closure with metal hooks or the lid with secure magnetic closure ensures that nothing gets lost. The backpack is also certified as a bluesignu00ae PRODUCT, which stands for environmentally friendly production."
"For optimal organization on the go, the Metron WP 25 offers a magnetically secured, removable padded laptop compartment that offers space for most devices up to 16 inches. In addition, there is an elastic meshcompartment with zipper closure for smaller items. A waterproof zippered compartment on the front provides quick access to important items"
"Safety is increased by reflective patterns and a laser-cut flashing light attachment, so you stay visible even in low light conditions. The adjustable chest strap and detachable hip belt, in combination with the Airscapeu2122 back panel and the ventilated shoulder straps, ensure a high level of comfort and good ventilation."