Alpinestars Mens, Womens and Youth Sizing

Explore the official and most up-to-date sizing from the official website here. This guide is very comprehensive, but if you need any assistance, just get in touch with our team and we'll be happy to help you get the right size first time round.

Chest: Measure around the fullest part, under the armpits

Waist: Measure around the natural waist line, inline with the navel. 

Hip: Measure around the fullest part of your hips, 20cm below the waistline.

Height: Stand against a wall and get someone to measure from the floor to the top of your head. 

Bust: Measure around the fullest part of the bust. 

 Please note: Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Sizing Charts

Mens Jackets

EURO SIZE	ALPHA SIZE	CHEST (CM)	ARM (CM)	HEIGHT (CM)
46	SM	90 - 94	55 - 56	168 - 171
48	MD	94 - 98	57 - 58	172 - 175
50	LG	98 - 102	58 - 59	176 - 179
52	XL	102 - 106	60 - 61	180 - 183
54	XL	106 - 110	62 - 63	184 - 187
56	2XL	110 - 114	64 - 65	188 - 191
58	2XL	114 - 118	66 - 67	192 - 195
60	3XL	118 - 122	68 - 69	192 - 195
62	4XL	122 - 126	70 - 71	196 - 199

Mens Pants

ALPHA SIZE	US SIZE	WAIST (CM)	HIPS (CM)	INSEAM (CM)
XS	28	72 - 76	87 - 91	75 - 76
S	30	76 - 80	91 - 95	77 - 78
S/M	32	80 - 84	95 - 99	79 - 80
M	34	84 - 88	99 - 103	81 - 82
L	36	88 - 92	103 - 107	83 - 84
L/XL	38	92 - 96	107 - 111	85 - 86
XL	40	96 - 100	111 - 115	87 - 88
2XL	42	100 - 104	115 - 119	89 - 90
2XL/3XL	44	104 - 108	119 - 123	89 - 90
3XL/4XL	46	108 - 112	123 - 127	91 - 92

Mens Race Suit

ALPHA SIZE	EURO SIZE	CHEST (CM)	WAIST (CM)	HIPS (CM)	ARMS (CM)
SM	46	90 - 94	76 - 80	91 - 95	55 - 56
SM/MD	48	94 - 98	80 - 84	95 - 99	57 - 58
MD/LG	50	98 - 102	84 - 88	99 - 103	59 - 60
LG	52	102 - 106	88 - 92	103 - 107	61 - 62
XL	54	106 - 110	92 - 96	107 - 111	63 - 64
XL/2XL	56	110 - 114	96 - 100	111 - 115	65 - 66
2XL	58	114 - 118	100 - 104	115 - 119	67 - 68
3XL	60	118 - 122	104 - 108	119 - 123	67 - 68
3XL/4XL	62	122 - 126	108 - 112	123 - 127	69 - 70

Mens MX Boots: 

US SIZE	EU SIZE	FOOT LENGTH (CM)
5	38	24.3
6	39	25.1
7	40.5	26.0
8	42	26.8
9	43	27.7
10	44.5	28.5
11	45.5	29.4
12	47	30.2
13	48	31.1
14	49.5	31.9
15	51	32.8
16	52	33.6

How to measure: Stand with your foot flat and measure from the heel to the tip of your longest toe. Use the foot length measurement above to help select the correct size.

Mens Performance Riding Boots / Shoes:

US SIZE	EU SIZE	FOOT LENGTH (CM)
3.5	36	23.1
4	37	23.7
5	38	24.4
6	39	25.1
6.5	40	25.7
7.5	41	26.4
8	42	27.1
9	43	27.7
9.5	44	28.4
10.5	45	29.1
11.5	46	29.7
12	47	30.4
12.5	48	31.1
13.5	49	31.7
14	50	32.4

How to measure: Stand with your foot flat and measure from the heel to the tip of your longest toe. Use the foot length measurement above to help select the correct size.

Mens Motorcycle Riding Shoes:

How to measure: Measure from the heel to the end of your longest toe. Use the foot length measurement above to help select the correct size.

Womens Jackets

EURO SIZE	ALPHA SIZE	BUST (CM)	ARM (CM)	HEIGHT (CM)
36	XS	78 - 84	50 - 52.5	157 - 162.5
38	S	84 - 90	52.5 - 55.5	162.5 - 168.5
40	M	90 - 94	55.5 - 58	162.5 - 168.5
42	L	90 - 94	55.5 - 58	168.5 - 172.5
44	XL	94 - 98.5	58 - 60	172.5 - 176.5
46	2XL	98.5 - 103	60 - 61.5	176.5 - 180
48	3XL	103 - 108	61.5 - 62.5	180 - 182.5

Womens Pants

EURO SIZE	ALPHA SIZE	WAIST (CM)	HIPS (CM)
36	XS	58 - 64	82 - 88
38	S	64 - 70	88 - 94
40	M	64 - 70	88 - 94
42	L	70 - 74	94 - 98
44	XL	74 - 78.5	98 - 102.5
46	2XL	78.5 - 83	102.5 - 107
48	3XL	83 - 88	107 - 112

Women's MX Boots

How to measure: Stand with your foot flat and measure from the heel to the tip of your longest toe. Use the foot length measurement above to help select the correct size.

Women's Motorcycle Road Boots

US	EU	Foot Length
5	36	23.3 cm
5.5	37	23.7 cm
6	37.5	24.2 cm
6.5	38	24.6 cm
7	38.5	25.0 cm
7.5	39	25.4 cm
8	40	25.9 cm
8.5	40.5	26.3 cm
9	41	26.7 cm
9.5	42	27.1 cm
10	42.5	27.6 cm
10.5	43	28.0 cm
11	43.5	28.4 cm
11.5	44	28.8 cm

How to measure: Stand with your foot flat and measure from the heel to the tip of your longest toe. Use the foot length measurement above to help select the correct size.

 

Women's Touring Boots

US SIZE	EU SIZE	FOOT LENGTH (CM)
3.5	36	23.2
4	37	23.8
5	38	24.5
6	39	25.2
6.5	40	25.9
7.5	41	26.5
8	42	27.2
9	43	27.9
9.5	44	28.5
10.5	45	29.2
11.5	46	29.9
12	47	30.5
12.5	48	31.2
13.5	49	31.9
14	50	32.6

 

How to measure: Stand with your foot flat and measure from the heel to the tip of your longest toe. Use the foot length measurement above to help select the correct size.

 

Women's Motorcycle Riding Shoes 

How to measure: Stand with your foot flat and measure from the heel to the tip of your longest toe. Use the foot length measurement above to help select the correct size.

Youth Jacket Sizing

Youth Apparel Sizing
ALPHA SIZE	CHEST (CM)
S	61 - 66
M	67 - 71
L	71 - 76
XL	76 - 81

Youth Pant Sizing

WAIST (CM)	ALPHA SIZE	INSEAM (CM)
54 - 58	S	51 - 57
58 - 62	M	57 - 62
62 - 66	L	62 - 67
66 - 70	XL	67 - 72

Youth Footwear

US SIZE	EURO SIZE
10	28
11	29
12	30.5
13	32
1	33
2	34
3	35.5
4	37
5	38
6	39
7	40.5
8	42

Shop the full Alpinestars range

If you have any further questions, just reach out and our team will be happy to provide further advice around correct fitment advice.