Impact Shield Foam Kit T-Shirt Use the Tread® app on

Use the Tread® app on your compatible smartphone to sync data across your various devices and plan routes

Everything you need for your car and spotter if you already have a wired helmet

1/2 x 20 external threads for mounting through 1/2-inch hole

1% spandex

Impact Shield Foam Kit T-Shirt Use the Tread® app onKeep the dust out with a tight shield to helmet seal. The Impact Shield Foam Kit features an adhesive backing for easy installation and a Nomex outer layer for added heat and flame resistance. When Nomex is exposed to intense heat, its fibers thicken and carbonize, absorbing heat energy in the process. Additionally, Nomex fibers wont melt, drip, and won't wear away. Nomex delivers high performing protection when every second counts. Specefications: