Closeout. Choice of custom graphics, solid colors or Rubatone finish, rubberized paint. Shell made from ABS, polycarbonate blend. Removable ear and neck curtains. Closable dual forehead vents. Interior made from comfortable brushed nylon. D ring chin strap. Custom visor included. DOT certified. HELMET SIZE INFORMATION. To dertmine size, measure around head one inch above eyebrows and across largest portion of back of head. 20 1/2 inches 52 CM 6 1/2 Hat size 2X Small. 20 7/8 inches 53 CM 6 5/8 Hat size Extra Small. 21 1/4 inches 54 CM 6 3/4 Hat size Extra Small. 21 5/8 inches 55 CM 6 7/8 Hat size Small. 22 inches 56 CM 7 Hat size Small. 22 3/8 inches 57 CM 7 1/8 Hat size Medium. 22 3/4 inches 58 CM 7 1/4 Hat size Medium. 23 1/8 inches 59 CM 7 3/8 Hat size Large. 23 1/2 inches 60 CM 7 1/2 Hat size Large. 24 inches 61 CM 7 5/8 Hat size Extra Large. 24 3/8 inches 62 CM 7 3/4 Hat size Extra Large. 24 3/4 inches 63 CM 7 7/8 Hat size 2X Large. 25 1/5 inches 64 CM 8 Hat size 2X Large.