The Deuter Pulse One Pack is an incredibly lightweight waist pack that is a comfortable and convenient way to be able to take a drink keys mobile phone some change and a few other personal items when you are walking running Nordic walking and cycling Made from lightweight nylon ripstop and Microrip fabrics to ensure this little pack is strong and abrasion resistant it has a breathable foam back and mesh wings for an incredibly comfortable wear making it an ideal solution for hydrating on the go