Ideal for daily wear.

Size Guide
S (54.5-56.5 cm | 21 ½ - 22 ¼ inches)
M (56.5-58.5 cm | 22 ¼ -23 inches)
L (58.5-60.5 cm | 23-23 ¾ inches)
XL (60.5-62.5 cm | 23 ¾ - 24 ⅝ inches)