Sporty lightweight and economically priced the Equi-Lite DFS is our number one selling schooling helmet. The Dial Fit System allows a custom fit with just one simple turn of the dial. Plus you'll look cool and feel cool; the Equi-Lite DFS features 9 venting ports for maximum air circulation to keep you comfortable. Weighing in at 10 ounces this versatile fashionable helmet is a must-have. ASTM F1163-15