In today's Big I, we highlighted new technology being tested by college football players to sense heart rate, breathing rate, g-force and horsepower while players are on the field. Under Armour is testing the E39 compression shirt at the NFL Scouting Combine this weekend.
Click here to check out the E39 shirt website & click here to check out some video of the shirt.
Click here to check out the NFL Scouting Combine.
Also click here to read WIRED's article on the technology.