There are some essentials that you should have with you on every ride no matter how short thats where ortlieb saddle bags come in the lightweight pu coated nylon fabric and roll closure keeps the pack waterproof to protect your tools and sparesthe compact dimensions fit neatly under the saddle and the intuitive fitting system allows for easy one handed fitting and removal there is a large well placed 3m reflector on the back of the saddle bag to help maximise visibility in low light cond