Meet Rocker, Flex, And and Groove. Hailing from Jamaica, these four guys comprise the World’s Fastest Band. They have jumped on the fast bandwagon (along with Usain Bolt) to help launch PUMA’s new Faas running shoes. Watch Rocker, Flex, And and Groove’s second television commercial to see how Faas running shoes help them go fast in the recording studio. To learn more about the band and Faas running shoes, visit Puma.com.