Sporting Goods, Fitness and Recreation Equipment Design Smart Football Vest Vest With Sensor by 37 Degree Smart Home Guangzhou 37 Degree Smart Home Ltd. This is a smart vest which is designed for footballer's health during training and matches. Worn beneath the football shirt, there is a chip embedded in the vest which monitors player’s physical signs such as heart rate, breathing rate and calorie consumption on a real-time basis. Also, there is a anti-shake miniature camera installed on the vest, which records the first-person perspective angle of the players while they are playing.