This Nike Nadal cap is made entirely of polyester. This model is provided with Nike AeroBill technology to offer extra breathability and be nice and light. Also, there are strategically placed perforations in order to implement excellent ventilation.The Rafa logo is on the front in order to allow you to represent a fighter's spirit ! Additionally, there is an adjustable strap in the back to enable you to adjust the fit. This model is inspired by and worn by the famous Spaniard, Rafael Nadal !