Uswe Raw 3.0 4L Hydration Pack The RAW 4 is designed with a spacious hydration compartment and a zippered section for accessible storage of essentials such as tools or food. Two external fastening straps allows for easy attachment of items like jackets or additional equipment. Features: Air-vented back panel with wave-profile pads for optimal comfort and airflow 2x tube clips, secure attachment for the drink tube Tube port if using the Uswe helmet hands free kit (kit sold separately) Reflective points for night visibility