A CLASSIC AEROREADY RUNNING CAP MADE IN PART WITH RECYCLED MATERIALS. From strength training at the gym to grabbing a post-run smoothie, this adidas running cap has AEROREADY tech to keep you feeling dry. Get a custom fit with the adjustable back closure. Soft, doubleknit fabric is comfortable for running, training, and everything in between. Made with a series of recycled materials, and at least 40% recycled content, this product represents just one of our solutions to help end plastic waste. Features: One size fits most, 100% recycled polyester plain weave, Moisture-wicking sweatband, AEROREADY, Pre-curved brim, Adjustable back closure with metal clip, Six-panel construction, Reflective details.