Stilo ST5 Top Air - 3/4" OD Round Port - For Sizes XS/54 to L/59 - Clear LY23271 The outer layer covering is

The outer layer covering is soft

Outermost layer: 100% Aramid

75" length

Utilizing an innovative kit system (included with the helmet)

Pull up Adjust

Stilo ST5 Top Air - 3/4" OD Round Port - For Sizes XS/54 to L/59 - Clear LY23271 The outer layer covering isThis unique cooling system feeds air from your cars fresh air system to both the top of the head and to the front of the face while at the same time helping to keep the inside of the visor clear. The system works with the existing design of the helmet and does not require any drilling of the shell or modifications to the EPS. The Top Air system fits over the forward two holes and extends down the front of the helmet and just under the top of the