Size Medium (6 7/8 - 7 1/8) Worn for about six months of riding lessons. This was not in a fall. SEI certified to ASTM F1163-15 The Starter Basic Helmet comes in black with a satin finish, perfect for any discipline. This helmet is great for lessons, camp packages and trail riding. This helmet includes a soft lined inner shell, which provides air flow and comfort with ventilation slots. The Coolmax liner provides cushion and is conveniently removable for washing after a long day of camp! An adjustable chin strap creates a safe, snug fit. Achieve that perfect custom fit feel without the giant price tag. A quality helmet that's available at the best price on the market.