#10: Fork oil with a viscosity of 40

Up to 89% reduction in critical cervical spine injuries

A USB cable is supplied with the airbag system to recharge the vest (charging time is about 3 hours)

Internal toe box and heel counter protection is layered under the upper for durability

Fox Racing - Flexair Optical Pants past type tag-Tires - Tubes #10: Fork oil with aDurable race level moto pants that move with you Mobility is everything when it comes to dialing in your best performance on the bike, and the Flexair Optical Pants are all about moving with you, at every turn. Designed to function seamlessly with the human body, theyre cut from lightweight and flexible materials which anticipate your every move. Flexair gear is race proven in some of the most demanding conditions by some of the world's top motocross