Like built-in eye black, RIP-IT's Vision Pro Softball Helmet with Face Guard utilizes Blackout Technology, a process that coats the inside bars of the face guard to prevent light from reflecting into the player's eyes. It allows you to hit, field and play with a focus like never before. The helmet and the face guard work together to form the most open vision possible for a softball helmet. Ultra-light weight, includes chin strap. NOCSAEŽ approved. Fits hat size 6 1/2 to 7 3/8. Fits head circumference of 20.5" to 23". Manufacturer's warranty valid within 400 days of purchase.