Feature(may vary by option.)

●Builds fast-twitch muscle fiber in the lower leg
●Includes Training Manual and DVD/CD-ROM
●Sizes: M 8-10 1/2; L 11-14 1/2; XL 15-20
●For ages 12 and up or at least size 5 shoe

[Adult L]

Description

Purchase the most popular frontal training platforms on the market today! Simply attach the platforms to your shoes and train. Watch your vertical leap increase by 5 to 10 inches, and decrease your 40 time by 0.2 seconds.