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Alpinestars Size Chart Guides



All sizes are only to be used as a guide.
Sizes may vary between styles.


How To Measure:

Jackets: With a tape, measure around the largest part of the chest and around the waist.
Please note; if your belly extends further than your chest or waist, you will need to take that into account


Trousers: Measure your waist as you would for a normal pair of trousers or jeans
Remember to take into account how you prefer to wear trousers; on or above the hips

Any addition of liners or armour to Jackets or Trousers can affect how they fit (Waterproof, Thermal, Kevlar etc.)


Gloves: With a tape, measure around the widest part of the palm.


Boots: Flatten your foot by shifting your weight forward, use a ruler or tape measure to measure your foot



Men's Size Guide

Euro Size
UK/US Size
UK/US Pant Size
Letter Size
To Fit Chest (Inches)
To Fit Waist (Inches)
403024XXS30 ¾ – 32 ¼25 ¼ – 26 ¾
423226XXS-XS32 ¼ – 33 ⅞26 ¾ – 28 ⅜
443428XS33 ⅞ – 35 ⅜28 ⅜ – 29 ⅞
463630S35 ⅜ – 3729 ⅞ – 31 ½
483832S-M37 – 38 ⅝31 ½ – 33 ⅛
504034M-L38 ⅝ – 40 ⅛33 ⅛ – 34 ⅝
524236L40 ⅛ – 41 ¾34 ⅝ – 36 ¼
544438XL41 ¾ – 43 ¼36 ¼ – 37 ¾
564640XL-XXL43 ¼ – 44 ⅞37 ¾ – 39 ¼
584842XXL44 ⅞ – 46 ½39 ¼ – 41
6050443XL46 ½ – 4841 – 42 ½
6252463XL-4XL48 – 49 ⅝42 ½ – 44 ⅛
6454484XL49 ⅝ – 51 ⅛44 ⅛ – 45 ⅝
6656505XL51 ⅛ – 53 ⅜45 ⅝ – 47 ¾


Women's Size Guide

Euro Size
UK Size
US Size
UK/US Pant Size
Letter Size
To Fit Chest (Inches)
To Fit Bust (Inches)
To Fit Waist (Inches)
364022XXS29 ⅛ – 30 ¾30 ¾ – 32 ¼22 ⅞ – 24 ⅜
386224XXS-XS30 ¾ – 32 ¼32 ¼ – 33 ⅞24 ⅜ – 26
408426XS32 ¼ – 33 ⅞33 ⅞ – 35 ⅝26 – 27 ½
4210628S33 ⅞ – 35 ⅜35 ⅝ – 3727 ½ – 29 ⅛
4412830M35 ⅜ – 3737 – 38 ⅜29 ⅛ – 30 ¾
46141032M-L37 – 38 ⅝38 ⅜ – 40 ⅛30 ¾ – 32 ¼
48161234L-XL38 ⅝ – 40 ⅛40 ⅛ – 41 ¾32 ¼ – 33 ⅞
50181436XL-XXL40 ⅛ – 41 ¾41 ¾ – 43 ¼33 ⅞ – 35 ⅜
52201638XXL-3XL41 ¾ – 43 ¼43 ¼ – 44 ⅞35 ⅜ – 37
542218403XL43 ¼ – 44 ⅞44 ⅞ – 46 ½37 – 38 ⅜


Men's MX Size Guide

Euro Size
UK/US Size
UK/US Pant Size
Letter Size
To Fit Chest (Inches)
To Fit Waist (Inches)
403024XXS30 ¾ – 32 ¼25 ¼ – 26 ¾
423226XXS-XS32 ¼ – 33 ⅞26 ¾ – 28 ⅜
443428XS33 ⅞ – 35 ⅜28 ⅜ – 29 ⅞
463630S35 ⅜ – 3729 ⅞ – 31 ½
483832S-M37 ¾ – 38 ⅝31 ½ – 33 ⅛
504034M-L38 ⅝ – 40 ⅛33 ⅛ – 34 ⅝
524236L40 ⅛ – 41 ¾34 ⅝ – 36 ¼
544438XL41 ¾ – 43 ¼36 ¼ – 37 ¾
564640XL-XXL43 ¼ – 44 ⅞37 ¾ – 39 ¼
584842XXL44 ⅞ – 46 ½39 ¼ – 41
6050443XL46 ½ – 4841 – 42 ½
6252463XL-4XL48 – 49 ⅝42 ½ – 44 ⅛
6454484XL49 ⅝ – 51 ⅛44 ⅛ – 45 ⅝
6656505XL51 ⅛ – 53 ⅜45 ⅝ – 47 ¾


Youth's MX Size Guide

UK/US Size
Letter Size
Years of Age
To Fit Chest (Inches)
To Fit Waist (Inches)
22S6 – 723 ⅞ – 25 ¾21 ¼ – 22 ⅞
24M8 – 1025 ¾ – 27 ¾22 ⅞ – 24 ¾
26L11 – 1227 ¾ – 29 ¾24 ¾ – 26
28XL13 – 1429 ¾ – 31 ¾26 – 27 ½


Men's & Women's Gloves Size Guide

Size
XS
S
M
L
XL
XXL
3XL
Men's Palm in Inches7 ½ – 88 – 8 ½8 ½ – 99 – 9 ½9 ½ – 1010 – 11
Women's Palm in Inches6 ½ – 77 – 7 ½7 ½ – 88 – 8 ½8 ½ – 9


Men's Road Boot Size Guide

Euro Size
363738394041424344454647484950
US Size
3.54566.57.5899.510.511.51212.513.514
Japan Size
22.523242525.52626.527.528.529.53030.531.53233
Inside Length (Inches)
8.899.49.81010.210.410.811.211.611.81212.412.613


Men's Riding Boot Size Guide

Euro Size
3838.5394040.5414242.54343.5444545.5464747.548
US Size
66.577.588.599.51010.51111.51212.51313.514
Japan Size
2424.52525.525.52626.52727.52828.529.529.53030.53131.5
Inside Length (Inches)
9.49.69.8101010.210.410.610.81111.211.611.611.81212.212.4


Men's MX Boot Size Guide

Euro Size
383940.5424344.545.5474849.55152
US Size
5678910111213141516
Japan Size
242525.526.527.52929.530.531.532.533.534.5
Inside Length (Inches)
9.59.81010.410.811.411.61212.412.813.113.6


Women's Road Boot Size Guide

Euro Size
3637383940414243
US Size
5.56788.59.51011
Japan Size
22.523242525.52626.527.5
Inside Length (Inches)
8.899.49.81010.210.410.8


Women's MX Boot Size Guide

Euro Size
3738394142
US Size
678910
Japan Size
2324252626.5
Inside Length (Inches)
99.49.810.210.4


Youth's MX Boot Size Guide

Euro Size
282930.532333435.537383940.542
US Size
1011121312345678
Japan Size
17.518.519.5202121.522.523242525.526.5
Inside Length (Inches)
6.97.37.77.98.38.58.899.49.81010.4