MLB hoodie made of performance polyester. Drawstring hood. Kangaroo pockets. The Dri-Fit Technology is a construction made of high-performance microfibers. This supports the natural cooling of the body by wicking away sweat and distributing it on the surface of the material so that it dries quickly. The Therma technology from Nike keeps you warm in cold outside temperatures. Material: 100% polyester. Therma Dri-Fit.