The Active Skin 8 is now also available without bottles, for those who already have their favourite bottles. In addition to running this kind of a pack works in other endurance sports as well. - 8 liter cargo space at the rear - Bottle pockets at the front - Chest pockets for two 500 ml soft flasks (not included) - Elastic cord at front - Compatible with 2 liter hydration reservoirs (not included) Choose the size according to chest circumference in centimeters: - 80-85 XXS - 85-91 XS - 91-97 S - 97-103 M - 103-109 L - 109-118 XL