1.5L Hydration.10L Cargo Unique lightweight chest harness for a rock solid fit.Ready to fit optional CE tested and certified as impact protection: Light, durable outer shell.Dual hydration tube for two-way routing – over the shoulder or the under arm.Optimal AirLine back ventilation.Heat reflective inner back panel to keep liquid cool or hot.Stretch mesh bladder pocket.Removable tool storage card.The hydration hook can be positioned on left or right harness. *Reflective safety piping and safety whistle.Optimized fit with or without a Leatt® neck brace.