The ShiftGear Knee-High sock shifts the colors every which way! Made with an extensive pattern of alternating greys, whites, and blues, these socks feature two-gears interconnecting at the top. Complete with all the MOXY Performance foot features, these socks will help improve your performance at the gym, doing heavy duty work, and protecting your legs and feet whenever possible. A perfect gift a product for workout enthusiasts, fitness freaks, volleyballers, soccer players, motocross riders, or all knee-high enthusiasts, these gears will not break down on you! Red, Purple, Blue.