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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)
40	30	24	XXS	30 ¾ – 32 ¼	25 ¼ – 26 ¾
42	32	26	XXS-XS	32 ¼ – 33 ⅞	26 ¾ – 28 ⅜
44	34	28	XS	33 ⅞ – 35 ⅜	28 ⅜ – 29 ⅞
46	36	30	S	35 ⅜ – 37	29 ⅞ – 31 ½
48	38	32	S-M	37 – 38 ⅝	31 ½ – 33 ⅛
50	40	34	M-L	38 ⅝ – 40 ⅛	33 ⅛ – 34 ⅝
52	42	36	L	40 ⅛ – 41 ¾	34 ⅝ – 36 ¼
54	44	38	XL	41 ¾ – 43 ¼	36 ¼ – 37 ¾
56	46	40	XL-XXL	43 ¼ – 44 ⅞	37 ¾ – 39 ¼
58	48	42	XXL	44 ⅞ – 46 ½	39 ¼ – 41
60	50	44	3XL	46 ½ – 48	41 – 42 ½
62	52	46	3XL-4XL	48 – 49 ⅝	42 ½ – 44 ⅛
64	54	48	4XL	49 ⅝ – 51 ⅛	44 ⅛ – 45 ⅝
66	56	50	5XL	51 ⅛ – 53 ⅜	45 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)
36	4	0	22	XXS	29 ⅛ – 30 ¾	30 ¾ – 32 ¼	22 ⅞ – 24 ⅜
38	6	2	24	XXS-XS	30 ¾ – 32 ¼	32 ¼ – 33 ⅞	24 ⅜ – 26
40	8	4	26	XS	32 ¼ – 33 ⅞	33 ⅞ – 35 ⅝	26 – 27 ½
42	10	6	28	S	33 ⅞ – 35 ⅜	35 ⅝ – 37	27 ½ – 29 ⅛
44	12	8	30	M	35 ⅜ – 37	37 – 38 ⅜	29 ⅛ – 30 ¾
46	14	10	32	M-L	37 – 38 ⅝	38 ⅜ – 40 ⅛	30 ¾ – 32 ¼
48	16	12	34	L-XL	38 ⅝ – 40 ⅛	40 ⅛ – 41 ¾	32 ¼ – 33 ⅞
50	18	14	36	XL-XXL	40 ⅛ – 41 ¾	41 ¾ – 43 ¼	33 ⅞ – 35 ⅜
52	20	16	38	XXL-3XL	41 ¾ – 43 ¼	43 ¼ – 44 ⅞	35 ⅜ – 37
54	22	18	40	3XL	43 ¼ – 44 ⅞	44 ⅞ – 46 ½	37 – 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)
40	30	24	XXS	30 ¾ – 32 ¼	25 ¼ – 26 ¾
42	32	26	XXS-XS	32 ¼ – 33 ⅞	26 ¾ – 28 ⅜
44	34	28	XS	33 ⅞ – 35 ⅜	28 ⅜ – 29 ⅞
46	36	30	S	35 ⅜ – 37	29 ⅞ – 31 ½
48	38	32	S-M	37 ¾ – 38 ⅝	31 ½ – 33 ⅛
50	40	34	M-L	38 ⅝ – 40 ⅛	33 ⅛ – 34 ⅝
52	42	36	L	40 ⅛ – 41 ¾	34 ⅝ – 36 ¼
54	44	38	XL	41 ¾ – 43 ¼	36 ¼ – 37 ¾
56	46	40	XL-XXL	43 ¼ – 44 ⅞	37 ¾ – 39 ¼
58	48	42	XXL	44 ⅞ – 46 ½	39 ¼ – 41
60	50	44	3XL	46 ½ – 48	41 – 42 ½
62	52	46	3XL-4XL	48 – 49 ⅝	42 ½ – 44 ⅛
64	54	48	4XL	49 ⅝ – 51 ⅛	44 ⅛ – 45 ⅝
66	56	50	5XL	51 ⅛ – 53 ⅜	45 ⅝ – 47 ¾

Youth's MX Size Guide

UK/US Size	Letter Size	Years of Age	To Fit Chest (Inches)	To Fit Waist (Inches)
22	S	6 – 7	23 ⅞ – 25 ¾	21 ¼ – 22 ⅞
24	M	8 – 10	25 ¾ – 27 ¾	22 ⅞ – 24 ¾
26	L	11 – 12	27 ¾ – 29 ¾	24 ¾ – 26
28	XL	13 – 14	29 ¾ – 31 ¾	26 – 27 ½

Men's & Women's Gloves Size Guide

Size	XS	S	M	L	XL	XXL	3XL
Men's Palm in Inches		7 ½ – 8	8 – 8 ½	8 ½ – 9	9 – 9 ½	9 ½ – 10	10 – 11
Women's Palm in Inches	6 ½ – 7	7 – 7 ½	7 ½ – 8	8 – 8 ½	8 ½ – 9

Men's Road Boot Size Guide

Euro Size	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50
US Size	3.5	4	5	6	6.5	7.5	8	9	9.5	10.5	11.5	12	12.5	13.5	14
Japan Size	22.5	23	24	25	25.5	26	26.5	27.5	28.5	29.5	30	30.5	31.5	32	33
Inside Length (Inches)	8.8	9	9.4	9.8	10	10.2	10.4	10.8	11.2	11.6	11.8	12	12.4	12.6	13

Men's Riding Boot Size Guide

Euro Size	38	38.5	39	40	40.5	41	42	42.5	43	43.5	44	45	45.5	46	47	47.5	48
US Size	6	6.5	7	7.5	8	8.5	9	9.5	10	10.5	11	11.5	12	12.5	13	13.5	14
Japan Size	24	24.5	25	25.5	25.5	26	26.5	27	27.5	28	28.5	29.5	29.5	30	30.5	31	31.5
Inside Length (Inches)	9.4	9.6	9.8	10	10	10.2	10.4	10.6	10.8	11	11.2	11.6	11.6	11.8	12	12.2	12.4

Men's MX Boot Size Guide

Euro Size	38	39	40.5	42	43	44.5	45.5	47	48	49.5	51	52
US Size	5	6	7	8	9	10	11	12	13	14	15	16
Japan Size	24	25	25.5	26.5	27.5	29	29.5	30.5	31.5	32.5	33.5	34.5
Inside Length (Inches)	9.5	9.8	10	10.4	10.8	11.4	11.6	12	12.4	12.8	13.1	13.6

Women's Road Boot Size Guide

Euro Size	36	37	38	39	40	41	42	43
US Size	5.5	6	7	8	8.5	9.5	10	11
Japan Size	22.5	23	24	25	25.5	26	26.5	27.5
Inside Length (Inches)	8.8	9	9.4	9.8	10	10.2	10.4	10.8

Women's MX Boot Size Guide

Euro Size	37	38	39	41	42
US Size	6	7	8	9	10
Japan Size	23	24	25	26	26.5
Inside Length (Inches)	9	9.4	9.8	10.2	10.4

Youth's MX Boot Size Guide

Euro Size	28	29	30.5	32	33	34	35.5	37	38	39	40.5	42
US Size	10	11	12	13	1	2	3	4	5	6	7	8
Japan Size	17.5	18.5	19.5	20	21	21.5	22.5	23	24	25	25.5	26.5
Inside Length (Inches)	6.9	7.3	7.7	7.9	8.3	8.5	8.8	9	9.4	9.8	10	10.4

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