Introducing our sweat activated technology T-Shirts. Featuring a 100% invisible design until you start sweating.
These hidden message shirts are the best motivation. The only rule is: Your workout is not done until you can read the entire message.
Introducing our sweat activated technology T-Shirts. Featuring a 100% invisible design until you start sweating.
These hidden message shirts are the best motivation. The only rule is: Your workout is not done until you can read the entire message.