Bicycle Helmets

BM5, BM-W, BG-10,
BM-B, BM-12 & JG JUMP
XXS: 18 1/2" - 19 1/2"
XS: 20" - 21 1/4"
S/M: 21 1/2" - 22 1/2"
L/XL: 22 3/4" - 24 1/2"
GRAPHIC TURN
STYLE BM-TS12
S/M: 22 1/2" - 23 5/8"
L/XL: 23 5/8" - 25 3/4"

Ski Helmets
SG-HSKI
S: 20 1/2" - 22 1/4"
M: 22 1/4" - 23 1/2"
L: 23 3/4" - 24 1/2"

Approximate ages per size

XXS: 1 to 3 yrs,

XS: 3 to 6 yrs, S/M: 6 to 11 yrs,

S/M: 6 to 11 yrs

L/XL: 11 through most Adults