New McDavid Medium 195Ankle Brace w Strap Blck Level 3 Support Black ALL Purpose the Impact Indicator utilizes patent pending 340471 33 23 Used the Impact Indicator utilizes patent pending micro sensor and software technology to measure and calculate the force and duration of a hit to a player’s helmet Made for a player who throws with their Left hand Athletes participating in an independent study at a major research university had 3x fewer injuries when wearing the 195 Constructed of single layer polyester fabric for full support and minimal weight Design simulates athletic tape with figure 6 strapping pattern Compression comfort top strap for custom fit Fully adjustable without unlacing or removing shoe Ventilated tongue breathes with you Padded lining and reinforced closures Fits left or right