The SPORT is the number one selling schooling helmet in the world. The original lightweight, ventilated equestrian safety helmet that redefined comfort and head protection. The SPORT is still one of the lightest and most trusted helmets available. AVAILABLE IN BLACK AND WHITE SMALL, MEDIUM, OR LARGE SIZES small 21 1/4 inches to 21 5/8 med 22 to 22 3/8 large 23 1/8+