New Other Battle XFAST XL Ankle Support System Black Green 6 inches by 4 feet Featuring MONARCH 3 Eye Box Navy Violet Featuring MONARCH 3 Eye Box Technology with 4 time zoom range and up to four Inch of eye relief A quick focus eyepiece allows the shooter to instantly bring the reticle into focus Ultra Clear Coat Optical System for up to 95% light transmission Optimized for use with Nikon's Spot On Ballistic Match Technology PIVOT HEAD ADJUSTMENT FOR GROUNDER & POP FLIES The Easy Knob Adjustment Allows You To Pitch Grounders & Pop Flies So You Can Perfect Your Fielding Practice AUTOMATIC 12 BALL FEEDER INCLUDED The Heater Includes an Automatic Ball Feeder Which Allows A Baseball To Drop Into The Machine Every 8 Seconds the XFAST ELIMINATES torque transfer to the knee and hip over the cleat design eliminates the discomfort associated with traditional internal bracing Allows for a full active range of motion and engages its protective component only when ankle enters danger zone Unlike traditional braces