XFMT-Dot-Carbon-Modular-DualVisor-Flip-Up-Sun-Motorcycle-Full-Face-Helmet-S

Heavily cushioned and very comfortable interior

Front anti-fog, anti-scratch and wide visual field clear visor

DOT safety standards are recognized by the world's countries,DOT certification is the industry's helmet safety indicators

Measuring your head is a starting point for the entire sizing procedure. Each manufacturers sizing is different. SIZE CHART (Circumference of the largest part of your head, usually just above the eyebrows) in inches

Head Circumference:Small:21 1/2 - 22 inches;Medium:22 1/4 - 22 3/4inches;Large:23 - 23 1/2inches ; X-Large:23 3/4 - 24 1/4inches

Hat size:Small:6 7/8 - 7inches;Medium: 7 1/8 - 7 1/4inches;Large:7 3/8 - 7 1/2inches;X-Large:5/8 - 7 3/4inches