Are you uncertain of what exercise to do? Well, this Back Day shirt will reveal the exercises, you just need to sweat a little (10 minute obligatory cardio just to warm up). Looks like a normal shirt until you start sweating, then the message reveals and lets you know the best back exercises. Keep pumping, keep sweating, keep motivated with this sweat activated gym shirt. Featuring Omegastretch and Ultrasoft fabric to give you the mobility and comfort you need on a workout shirt.
Our Sweat Activated T-Shirts have a hidden message that only shows when you sweat.
Our unique formula and process guarantees that the design is 100% invisible when the T-Shirt is dry, and has high contrast when wet.
FREE RETURNS AND EXCHANGES
If you need a size exchange or if you are not 100% satisfied with the quality or fit of the product, we offer free returns and exchanges for 30 days after you receive your order. No questions asked.