Body strap included to enhance stability

New innertube surface treatment

- Helps reduce peak brain acceleration at impact speeds associated with concussion

It ships with two tube and bite valves

Fly Racing - Barricade Flex Knee Guards (Youth) Caps Body strap included to enhanceFLY Racing guards are designed to help defend riders from the elements found at the track or out on the trail. They continue to develop products that use the most current, cutting edge materials that provide the best mobility possible. From light roost guards to full CE level certification, FLY's family of products is designed to offer a complete range of rider options. Construction: Impact resistant ABS plastic construction. Perforated BioFoam