Alpinestars Race v4 Fire Resistant Racing Socks - FIA 8856-2018 Vehicle Model_918 Spyder Medium Width (410-426mm seats) fits

Medium Width (410-426mm seats) fits many popular seats

The RS 4-2 beds quickly and has a very good modulation (controllability)

It offers outstanding resistance to vapor lock

or accessories—ideal for drivers and fabricators looking for flexibility and precision

A set screw in the thumb knob helps keep the unit from coming loose

Alpinestars Race v4 Fire Resistant Racing Socks - FIA 8856-2018 Vehicle Model_918 Spyder Medium Width (410-426mm seats) fitsThe Alpinestars Race v4 Socks offer excellent heat transfer protection and flat seams for comfort. THe lightweight and durable construction features a stretch feel that offers excellent comfort and mobility. The FIA 8856 2018 homologated socks fit to just below the knees.