Size Guide - Visors

SIZE A (inches) B (inches)
B (inches)
D (inches)
One Size 18 ½-23 ¼ 4 ⅜
2 ⅞
7 ⅛
 
SIZE  A (cm) B (cm) C (cm) C (cm) 
One Size 47-59 11 7.2 18