Eagle- W/Diamond Skull Black Novelty Item- Does Not Meet D.O.T. Safety Standards FMVSS 218. Forward Positioned Nylon Y-Strap Retention System With Sliding Adjuster For Fine Adjustments. Does Not Interfere With Your Ears; Seams Sewn To The Outside And No Facial Chaffing. Quick Release Lock With One Finger Release Lever For Easy Detachment. Custom Formed Interior For X-treme Comfort. Moisture Wicking Fabric Keeps Your Head Cooler And More Comfortable.