The clock is ticking. The music is pulsing. Unleash the energy in HIIT class in these adidas training shorts. You'll feel free to move without restrictions, whether you're tackling jump squats or high knees. HEAT.RDY keeps you dry and cool, even when the studio gets balmy. Made with a series of recycled materials, and at least 70% recycled content, this product represents just one of our solutions to help end plastic waste.