An essential item for runners who want to stay hydrated when on the go the trespass hydromini collapsible water bottle has a capacity of 350ml and has been designed to give you energy boost while preparing for your next marathon thanks to its compact design the bottle is suitable for cycling hiking jogging and camping and can be easily attached to a belt or rucksack with a practical carabiner clip it can be quickly folded down once it is empty and a bite valve makes is easy to use this re