Dimensions: 28cm x 20cm x 49cm (11" x 8" x 19") Volume: 23L Product Features Exterior water bottle pocket for quick access to hydration Soft, lined pocket for your sunglasses and phone Padded pocket for your laptop or tablet Separate pockets for shoes and sweaty gear Quick-access pockets for phone, keys, and wallet, with interior pockets for small items Reflective details help keep you on the radar