Water repellant coating on exterior fabric Multiple exterior pockets: front stuff pocket, top zip pocket with key leash and 2 additional exterior zippered pockets 2 exterior water bottle pockets: stretch mesh, perfectly sized for most water bottles and up to a 32 oz. Hydro Flask Internal hydration storage sleeve with Velcro hangar and hose pass-thru port (hydration bladder and hose included) Internal storage sleeve can double as laptop storage, fitting up to 15.6” laptops An EVA molded and Airmesh back panel provide enhanced ergonomic comfort and breathability