This is a size Small adjustable to 6 3/8 - 6 1/2 hat size. to measure place tape measure around head just above eyebrow ridges A 20 inch measurement will be a 6 1/2 hat size. 20.5 inches would be a 6 5/8 hat size.

The ATH DFS Helmet is unmistakably IRH. This popular helmet is covered in rich, durable velveteen, and features a Carbon Fiber front vent strip and rear vents to keep you cool. A three-point adjustable retention system and a Dial Fit System technology assure a proper fit with just a turn of the dial.

PLEASE NOTE: The outer dial on this helmet used to adjust on of the three areas is missing. You can still dial adjust with your fingers or a needle nose pliers. Price has been adjusted for this missing outer / cover to the dial. Otherwise, in VERY GOOD condition.

ASTM F-1163-04a/SEI Certified

All items are securely wrapped and shipped in a sturdy mailer to assure a safe journey.

PLEASE NOTE: Colors of the photographed items may vary slightly from the actual color of the item as all monitors and screens are calibrated differently. Images may also magnify certain flaws that are not as noticeable to the naked eye. Please view all images carefully as they are part of the description and can give a detailed view of the piece.