Stop-and-start outdoor workouts should be easy to dress for. Reach for this adidas training beanie on the way out the door to stay within your comfort zone. Its modern, shorter silhouette sits higher on the head, and the half-fleece lining keeps you warm without the risk of overheating. Shorter shape. Engineered adidas Badge of Sport. 70% polyacrylic, 30% wool plain knit. Half-fleece lining. Partially lined knit beanie. Moisture-absorbing AEROREADY.