High Quality: AHR RUN-F helmet has lightweight ABS shell with comfortable & heavily cushioned interior Air vents to create light flow of air for cool and comfortable riding Built-in double visors - wide visual field clear visor & inner sun visor Tough & high elastic front visor for great impact resistance Streamlined aerodynamic design - reduces wind noise and drag Removable and washable cheek pads for easy cleaning DOT approved for US safety standard Product Details: Size Optional: S/M/L/XL Overall Dimension (LxWxH): 10 7/8" x 14 3/16" x 10 1/4" (27.5 x 36 x 26 cm) Material: ABS, EPS, PU, Mesh Net Weight: 3.97 Lbs (1.8 kg) S(55 to 56cm) Fits Head Circumference: 21 5/8" x 22 1/16" (55 to 56cm) M(57 to 58cm) Fits Head Circumference: 22 7/16" x 22 13/16" (57 to 58 cm) L(59 to 60cm) Fits Head Circumference: 23 1/4" x 23 5/8" (59 to 60 cm) XL(61 to 62cm) Fits Head Circumference: 24" x 24 7/16" (61 to 62cm) Also In The Box: 1x Helmet 1x Bag 1x Manual Notice: Please measure your head circumference to determine which size is suitable for you before purchasing.
