Allows hydration hose to be affixed to helmet so that rider's hands are not needed to drink from it. Designed to fit Leatt 2011 Hydration packs. Kit Includes: connector, hose, and hook & loop helmet strap only. Hydration system sold separately. Allows hydration hose to be affixed to helmet so that rider's hands are not needed to drink from it. Designed to fit Leatt 2011 Hydration packs. Kit Includes: connector, hose, and hook & loop helmet strap only. Hydration system sold separately.