Street & Steel Rebel Open Road HelmetThe Street & Steel Rebel Open Road Helmet is a great match to your cruiser or Big Twin. The Open Road Helmet features padded straps for comfort and a matte finish with vintage-inspired graphics that highlight its understated style.Shell: Hi-tech injection molded ABS shell Classic cruiser style for absolute minimalist look Comfort:Comfort padded straps at earsSafety: Meets or exceeds DOT standards Double-D ring The Double-D ring closure is THE tried-and-true motorcycle helmet retention system. Consisting of two "D" shaped rings, the rider laces the opposing strap through the closure to secure the helmet. It is strong, simple, reliable and infinitely adjustable. Some helmets use alternative closure methods, but the Double D-ring The Double D-ring closure is THE tried-and-true motorcycle helmet retention system. Consisting of two "D" shaped rings, the rider laces the opposing strap through the closure to secure the helmet. It is strong, simple, reliable and infinitely adjustable. Some helmets use alternative closure methods, but the Double D-ring remains the gold standard for these reasons. remains the gold standard for these reasons.. safety retention system