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Alpinestars MX Boots Size Chart

Men's MX Boots
US Euro Length (cm) Length (in)
5 38 24.0 9.5"
6 39 25.0 9.8"
7 40.5 25.5 10.0"
8 42 26.5 10.4"
9 43 27.5 10.8"
10 44.5 29.0 11.4"
11 45.5 29.5 11.6"
12 47 30.5 12.0"
13 48 31.5 12.4"
14 49.5 32.5 12.8"
15 51 33.5 13.1"
16 52 34.5 13.6"
Women's MX Boots
US Euro Length (cm) Length (in)
6 37 23.0 9.0"
7 38 24.0 9.4"
8 39 25.0 9.8"
9 41 26.0 10.2"
10 42 26.5 10.4"
Euro/US/Women's MX Boot Size Equivalents
Euro Men's Women's
36 3 1/2 5
37 4 6
38 5 7
39 6 8
40 6 1/2 8 1/2
41 7 1/2 9
42 8 10
43 9 11
44 9 1/2 11 1/2
Youth MX Boots
US Euro Length (cm) Length (in)
10 28 17.5 6.9"
11 29 18.8 7.3"
12 30.5 19.8 7.7"
13 32 20.0 7.9"
1 33 21.0 8.3"
2 34 21.5 8.5"
3 35.5 22.5 8.8"
4 37 23.0 9.0"
5 38 24.0 9.4"
6 39 25.0 9.8"
7 40.5 25.5 10.0"
8 42 26.5 10.4"

How to Measure Length:
Flatten your foot by shifting your weight forward, use a ruler or tape measure to measure your foot
(from the heel to the tip of your longest toe).

Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.