L.L.Bean
Pro-Tec
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Choose a helmet that will fit snugly. To measure your head circumference, wrap a measuring tape around your head above your eyebrows and ears.


 Adults' Helmets
Size Inches
S 20 3/4"-21 1/4"
M 21 1/4"-22"
L 22"-22 3/4"
XL 22 3/4"-23 5/8"