The Ham Rock 12 is very lightweight & was specifically developed for physically demanding activities. It is compact &, with a capacity of 12 litres, it concentrates on the essentials: a main compartment, an organizer pocket, a fixture for a hydration system & two elasticated side pockets. This rucksack is designed for cycling & running, features a raincover and is equipped with an attachment option for a bicycle pump, bottles & trekking poles. Its suspension system is extremely lightweight, fits close to the body & guarantees high freedom of movement & excellent ventilation. Key Features Small, sporty single-compartment rucksack Extremely lightweight & flexible full-contact suspension system Main compartment, four pockets Attachment for LED light Suitable for use with a hydration system Reflectors Raincover