T-shirts that measure sweat CLOshow simple living

This T-shirt, designed by GLP advertising + design toronto, measures sweat. Right in the middle of the T-shirt is a scale line, and after some exercise, the sweat will wet the T-shirt and change color so that you can read the scale.

This is a commercial for roland semprie, a personal trainer.

If you are a fitness enthusiast, you can also wear it to motivate yourself.