Open up a world of fun with the Flick Soccer Smart Shin Guards. This state-of-the-art wearable tracker allows you to measure training and match stats, unlock new levels, and compete against other players using the global leader board. Analyze speed, acceleration, balance, power and stamina. Universal size (7" high x 3.3" wide), lightweight, premium materials and ergonomic design provide comfortable fit whilst ensuring the safety of the player.