The adidas D4T HIIT WORKOUT HEAT.RDY T-SHIRT is designed for intense training sessions. It features HEAT.RDY technology for maximum moisture management and a slim-fit design for a sleek style. The shaped hemline provides a comfortable fit, while the recycled polyester knit fabric keeps you cool and comfortable. This tee is part of the Designed for Training (D4T) concept, engineered to make every performance count.