Roosense is the manufacturer of SweatID. SweatID is a wearable training optimization technology company that provides users with the data they need to accurately rehydrate during work, training, or competition. SweatID is a disposable, nonwoven fabric sensor that can specifically measure the sodium concentration of a person’s sweat in real time. The sensor can be integrated into clothing or gear that athletes are already wearing. The data from the sensor can then be used to create a personalized hydration plan.