adidas Designed 4 Training HEAT. RDY HIIT Tee male Outdoor bootcamp to metcon, you\\\'ll blaze your way through the most intense workouts with this HIIT training t-shirt. Stay dry and cool with HEAT. RDY coupled with chilldots on the inside. Mesh details on the back give you an extra dose of breathability. Knit and jacquard fabric feel silky soft and textured. Made with a series of recycled materials, and at least 60% recycled content, this product represents just one of our solutions to help end plastic waste. Crewneck. Front and sleeves: 100% recycled polyester doubleknit. Back panel: 100% recycled polyester jacquard. Washing Instructions: Machine wash cold.