A sporty new version of the classic old knit covers. Fits most drivers and fairway woods. Each comes with rocket tour's easy interchangeable number disc system (1,3,5,X). Available in assorted stripes. Many are college colors in the mix. Sold individually so you can do your own thing... mix it up...match or clash....show your colors! The Rocket Sox, x-tra Floppy, interchangable number system, 5 inch pom pon, comes with 1,3,5 @ X number system. When ordering, select Large for drivers, and Small for 3,5,7,9.