Slim, ultra-light, hands-free hydration system for off road racing. The unique chest harness ensures a very solid fit making the waist strap obsolete. The bag bouncing around on your back is now the past. Includes heat resistant encapsulated bladder pocket. Features 2.0L Flat CleanTech bladder & 1.0L luggage Hands free hydration system Unique chest harness for a rock solid fit Ultra lightweight durable outer shell Dual hydration tube exit for 2-way routing: Over the shoulder or under arm Mesh storage pocket inside the bag Optimal AirLine back ventilation Heat reflective inner back panel to keep liquid cool or hot Height adjustable harness for optimal load positioning on the back Reflective safety piping