Lightweight and Race Ready for Moto. 1.5 liter hydration and 2 liter cargo. Unique lightweight adjustable chest harness for a rock solid fit. Hydration tube with intermediate quick connect ready for Hands Free hydration. Auto shut-off bladder bite valve. Heat reflective inner back panel to keep liquid cool or hot. Optional 2 liter bladder can be added into main storage compartment (sold separately). Light, durable outer shell. Optimal AirLine back ventilation. Reflective slotted patch allows optional safety light suspension. Optimized fit with or without a Leatt® neck brace. One size fits most.