Alpinestars Off-Road Size Charts
  SIZING CHARTS

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

Men's Jackets Sizing

Euro USA Alpha Chest (in) Waist (in) Hip (in) Arm (in) Height (in)
42 32 2XS 32.3-33.9 26.8-28.3 32.7-34.3 20.1-20.5 62.6-64.2
44 34 2XS-XS 33.9-35.4 28.3-29.9 34.3-35.8 20.9-21.3 64.6-65.7
46 36 XS-SM 35.4-37 29.9-31.5 35.8-37.4 21.7-22 66.1-67.3
48 38 SM-MD 37-38.6 31.5-33.1 37.4-39 22.4-22.8 67.7-68.9
50 40 MD 38.6-40.2 33.1-34.6 39-40.6 23.2-23.6 69.3-70.5
52 42 LG 40.2-41.7 34.6-36.2 40.6-42.1 24-24.4 70.9-72
54 44 XL 41.7-43.3 36.2-37.8 42.1-43.7 24.8-25.2 72.4-73.6
56 46 XL-2XL 43.3-44.9 37.8-39.4 43.7-45.3 25.6-26 74-75.2
58 48 2XL 44.9-46.5 39.4-40.9 45.3-46.9 26.4-26.8 75.6-76.8
60 50 3XL 46.5-48 40.9-42.5 46.9-48.4 26.4-26.8 75.6-76.8
62 52 3XL-4XL 48-49.6 42.5-44.1 48.4-50 27.2-27.6 77.2-78.3
64 54 4XL 49.6-51.2 44.1-45.7 50-51.6 27.2-27.6 77.2-78.3

Women's Jacket Sizing

Euro USA Alpha Chest (in) Bust (in) Waist (in) Hip (in) Arm (in) Height (in)
36 0 2XS 29.1-30.7 30.7-32.3 22.8-24.4 32.3-33.9 19.7-20.1 61.8-63
38 2 2XS-SX 30.7-32.3 32.3-33.9 24.4-26 35-35.4 20.5-20.9 63.4-64.6
40 4 XS 32.3-33.9 33.9-35.4 26-27.6 35.4-37 21.3-21.7 65-66.1
42 6 SM 33.9-35.4 35.4-37 27.6-29.1 37-38.6 22-22.4 66.5-67.7
44 8 MD 35.4-37 37-38.6 29.1-30.7 38.6-40.2 22.8-23.2 68.1-69.3
46 10 LG 37-38.6 38.6-40.2 30.7-32.3 40.2-41.7 23.6-24 69.7-70.9
48 12 XL 38.6-40.2 40.2-41.7 32.3-33.9 41.7-43.3 24.4-24.8 71.3-72.4
50 14 XL-2XL 40.2-41.7 41.7-43.3 33.9-35.4 43.3-44.9 24.4-24.8 71.3-72.4
52 16 2XL-3XL 41.7-43.3 43.3-44.9 35.4-37 44.9-46.5 25.2-25.6 72.8-74
54 18 3XL 43.3-44.9 44.9-46.5 37-38.6 46.5-48 25.2-25.6 72.8-74

Alpinestars Glove Sizing

GLOVE SIZING INSTRUCTIONS: Using your right hand, place a tape measure under your palm and measure from the knuckle of your forefinger to the knuckle of your pinkie finger. Note the measurement and compare it to the chart below.

MeasurementAlpha Size Numeric Size 
2 1/8" - 2 5/8" XS7
2 5/8" - 3 1/8" SM8
3 1/8" - 3 5/8" MD9
3 5/8" - 4 1/8" LG10
4 1/8" - 4 5/8"  XL11
4 5/8" - 5 1/8" 2XL12

Men's Pants Sizing

Euro USA Alpha US Pant Size Waist (in) Hip (in) Thigh (in) Inseam (in) Height (in)
42 32 2XS 26 26.8-28.3 32.7-34.3 19.7-20.1 28.7-29.1 62.6-64.2
44 34 2XS-XS 28 28.3-29.9 34.3-35.8 20.5-20.9 29.5-29.9 64.6-65.7
46 36 XS-SM 30 29.9-31.5 35.8-37.4 21.3-21.7 30.3-30.7 66.1-67.3
48 38 SM-MD 32 31.5-33.1 37.4-39 22-22.4 31.1-31.5 67.7-68.9
50 40 MD 34 33.1-34.6 39-40.6 22.8-23.2 31.9-32.3 69.3-70.5
52 42 LG 36 34.6-36.2 40.6-42.1 23.6-24 32.7-33.1 70.9-72
54 44 XL 38 36.2-37.8 42.1-43.7 24.4-24.8 33.5-33.9 72.4-73.6
56 46 XL-2XL 40 37.8-39.4 43.7-45.3 25.2-25.6 34.3-34.6 74-75.2
58 48 2XL 42 39.4-40.9 45.3-46.9 26-26.4 35-35.4 75.6-76.8
60 50 3XL 44 40.9-42.5 46.9-48.4 26.8-27.2 35-35.4 75.6-76.8
62 52 3XL-4XL 46 42.5-44.1 48.4-50 27.6-28 35.8-36.2 77.2-78.3
64 54 4XL 48 44.1-45.7 50-51.6 28.3-28.7 35.8-36.2 77.2-78.3

Women's Pants Sizing

Euro USA Alpha US Pant Size Waist (in) Hip (in) Thigh (in) Inseam (in) Height (in)
36 0 2XS 22 22.8-24.4 32.3-33.9 19.7-20.1 28.3-28.7 61.8-63
38 2 2XS-SX 24 24.4-26 35-35.4 20.5-20.9 29.1-29.5 63.4-64.6
40 4 XS 26 26-27.6 35.4-37 21.3-21.7 29.9-30.3 65-66.1
42 6 SM 28 27.6-29.1 37-38.6 22-22.4 30.7-31.1 66.5-67.7
44 8 MD 30 29.1-30.7 38.6-40.2 22.8-23.2 31.5-31.9 68.1-69.3
46 10 LG 32 30.7-32.3 40.2-41.7 23.6-24 32.3-32.7 69.7-70.9
48 12 XL 34 32.3-33.9 41.7-43.3 24.4-24.8 33.1-33.5 71.3-72.4
50 14 XL-2XL 36 33.9-35.4 43.3-44.9 25.2-25.6 33.1-33.5 71.3-72.4
52 16 2XL-3XL 38 35.4-37 44.9-46.5 26-26.4 33.9-34.3 72.8-74
54 18 3XL 40 37-38.6 46.5-48 26.8-27.2 33.9-34.3 72.8-74

Men's Suit Sizing

Euro USA Alpha US Pant Size Chest (in) Waist (in) Hip (in) Thigh (in) Inseam (in) Arm (in) Height (in)
42 32 2XS 26 32.3-33.9 26.8-28.3 32.7-34.3 19.7-20.1 28.7-29.1 20.1-20.5 62.6-64.2
44 34 2XS-XS 28 33.9-35.4 28.3-29.9 34.3-35.8 20.5-20.9 29.5-29.9 20.9-21.3 64.6-65.7
46 36 XS-SM 30 35.4-37 29.9-31.5 35.8-37.4 21.3-21.7 30.3-30.7 21.7-22 66.1-67.3
48 38 SM-MD 32 37-38.6 31.5-33.1 37.4-39 22-22.4 31.1-31.5 22.4-22.8 67.7-68.9
50 40 MD 34 38.6-40.2 33.1-34.6 39-40.6 22.8-23.2 31.9-32.3 23.2-23.6 69.3-70.5
52 42 LG 36 40.2-41.7 34.6-36.2 40.6-42.1 23.6-24 32.7-33.1 24-24.4 70.9-72
54 44 XL 38 41.7-43.3 36.2-37.8 42.1-43.7 24.4-24.8 33.5-33.9 24.8-25.2 72.4-73.6
56 46 XL-2XL 40 43.3-44.9 37.8-39.4 43.7-45.3 25.2-25.6 34.3-34.6 25.6-26 74-75.2
58 48 2XL 42 44.9-46.5 39.4-40.9 45.3-46.9 26-26.4 35-35.4 26.4-26.8 75.6-76.8
60 50 3XL 44 46.5-48 40.9-42.5 46.9-48.4 26.8-27.2 35-35.4 26.4-26.8 75.6-76.8
62 52 3XL-4XL 46 48-49.6 42.5-44.1 48.4-50 27.6-28 35.8-36.2 27.2-27.6 77.2-78.3
64 54 4XL 48 49.6-51.2 44.1-45.7 50-51.6 28.3-28.7 35.8-36.2 27.2-27.6 77.2-78.3

Women's Base Layer Sizing

Euro USA Alpha US Pant Size Chest (in) Bust (in) Waist (in) Hip (in) Thigh (in) Inseam (in) Arm (in) Height (in)
36 0 2XS 22 29.1-30.7 30.7-32.3 22.8-24.4 32.3-33.9 19.7-20.1 28.3-28.7 19.7-20.1 61.8-63
38 2 2XS-SX 24 30.7-32.3 32.3-33.9 24.4-26 35-35.4 20.5-20.9 29.1-29.5 20.5-20.9 63.4-64.6
40 4 XS 26 32.3-33.9 33.9-35.4 26-27.6 35.4-37 21.3-21.7 29.9-30.3 21.3-21.7 65-66.1
42 6 SM 28 33.9-35.4 35.4-37 27.6-29.1 37-38.6 22-22.4 30.7-31.1 22-22.4 66.5-67.7
44 8 MD 30 35.4-37 37-38.6 29.1-30.7 38.6-40.2 22.8-23.2 31.5-31.9 22.8-23.2 68.1-69.3
46 10 LG 32 37-38.6 38.6-40.2 30.7-32.3 40.2-41.7 23.6-24 32.3-32.7 23.6-24 69.7-70.9
48 12 XL 34 38.6-40.2 40.2-41.7 32.3-33.9 41.7-43.3 24.4-24.8 33.1-33.5 24.4-24.8 71.3-72.4
50 14 XL-2XL 36 40.2-41.7 41.7-43.3 33.9-35.4 43.3-44.9 25.2-25.6 33.1-33.5 24.4-24.8 71.3-72.4
52 16 2XL-3XL 38 41.7-43.3 43.3-44.9 35.4-37 44.9-46.5 26-26.4 33.9-34.3 25.2-25.6 72.8-74
54 18 3XL 40 43.3-44.9 44.9-46.5 37-38.6 46.5-48 26.8-27.2 33.9-34.3 25.2-25.6 72.8-74

Men's Base Layer Sizing

Euro USA Alpha US Pant Size Chest (in) Waist (in) Hip (in) Thigh (in) Inseam (in) Arm (in) Height (in)
42 32 2XS 26 32.3-33.9 26.8-28.3 32.7-34.3 19.7-20.1 28.7-29.1 20.1-20.5 62.6-64.2
44 34 2XS-XS 28 33.9-35.4 28.3-29.9 34.3-35.8 20.5-20.9 29.5-29.9 20.9-21.3 64.6-65.7
46 36 XS-SM 30 35.4-37 29.9-31.5 35.8-37.4 21.3-21.7 30.3-30.7 21.7-22 66.1-67.3
48 38 SM-MD 32 37-38.6 31.5-33.1 37.4-39 22-22.4 31.1-31.5 22.4-22.8 67.7-68.9
50 40 MD 34 38.6-40.2 33.1-34.6 39-40.6 22.8-23.2 31.9-32.3 23.2-23.6 69.3-70.5
52 42 LG 36 40.2-41.7 34.6-36.2 40.6-42.1 23.6-24 32.7-33.1 24-24.4 70.9-72
54 44 XL 38 41.7-43.3 36.2-37.8 42.1-43.7 24.4-24.8 33.5-33.9 24.8-25.2 72.4-73.6
56 46 XL-2XL 40 43.3-44.9 37.8-39.4 43.7-45.3 25.2-25.6 34.3-34.6 25.6-26 74-75.2
58 48 2XL 42 44.9-46.5 39.4-40.9 45.3-46.9 26-26.4 35-35.4 26.4-26.8 75.6-76.8
60 50 3XL 44 46.5-48 40.9-42.5 46.9-48.4 26.8-27.2 35-35.4 26.4-26.8 75.6-76.8
62 52 3XL-4XL 46 48-49.6 42.5-44.1 48.4-50 27.6-28 35.8-36.2 27.2-27.6 77.2-78.3
64 54 4XL 48 49.6-51.2 44.1-45.7 50-51.6 28.3-28.7 35.8-36.2 27.2-27.6 77.2-78.3

Women's Suit Sizing

Euro USA Alpha US Pant Size Chest (in) Bust (in) Waist (in) Hip (in) Thigh (in) Inseam (in) Arm (in) Height (in)
36 0 2XS 22 29.1-30.7 30.7-32.3 22.8-24.4 32.3-33.9 19.7-20.1 28.3-28.7 19.7-20.1 61.8-63
38 2 2XS-SX 24 30.7-32.3 32.3-33.9 24.4-26 35-35.4 20.5-20.9 29.1-29.5 20.5-20.9 63.4-64.6
40 4 XS 26 32.3-33.9 33.9-35.4 26-27.6 35.4-37 21.3-21.7 29.9-30.3 21.3-21.7 65-66.1
42 6 SM 28 33.9-35.4 35.4-37 27.6-29.1 37-38.6 22-22.4 30.7-31.1 22-22.4 66.5-67.7
44 8 MD 30 35.4-37 37-38.6 29.1-30.7 38.6-40.2 22.8-23.2 31.5-31.9 22.8-23.2 68.1-69.3
46 10 LG 32 37-38.6 38.6-40.2 30.7-32.3 40.2-41.7 23.6-24 32.3-32.7 23.6-24 69.7-70.9
48 12 XL 34 38.6-40.2 40.2-41.7 32.3-33.9 41.7-43.3 24.4-24.8 33.1-33.5 24.4-24.8 71.3-72.4
50 14 XL-2XL 36 40.2-41.7 41.7-43.3 33.9-35.4 43.3-44.9 25.2-25.6 33.1-33.5 24.4-24.8 71.3-72.4
52 16 2XL-3XL 38 41.7-43.3 43.3-44.9 35.4-37 44.9-46.5 26-26.4 33.9-34.3 25.2-25.6 72.8-74
54 18 3XL 40 43.3-44.9 44.9-46.5 37-38.6 46.5-48 26.8-27.2 33.9-34.3 25.2-25.6 72.8-74

Men's Base Layer Top Sizing

Euro USA Alpha Chest (in) Waist (in) Hip (in) Arm (in) Height (in)
42 32 2XS 32.3-33.9 26.8-28.3 32.7-34.3 20.1-20.5 62.6-64.2
44 34 2XS-XS 33.9-35.4 28.3-29.9 34.3-35.8 20.9-21.3 64.6-65.7
46 36 XS-SM 35.4-37 29.9-31.5 35.8-37.4 21.7-22 66.1-67.3
48 38 SM-MD 37-38.6 31.5-33.1 37.4-39 22.4-22.8 67.7-68.9
50 40 MD 38.6-40.2 33.1-34.6 39-40.6 23.2-23.6 69.3-70.5
52 42 LG 40.2-41.7 34.6-36.2 40.6-42.1 24-24.4 70.9-72
54 44 XL 41.7-43.3 36.2-37.8 42.1-43.7 24.8-25.2 72.4-73.6
56 46 XL-2XL 43.3-44.9 37.8-39.4 43.7-45.3 25.6-26 74-75.2
58 48 2XL 44.9-46.5 39.4-40.9 45.3-46.9 26.4-26.8 75.6-76.8
60 50 3XL 46.5-48 40.9-42.5 46.9-48.4 26.4-26.8 75.6-76.8
62 52 3XL-4XL 48-49.6 42.5-44.1 48.4-50 27.2-27.6 77.2-78.3
64 54 4XL 49.6-51.2 44.1-45.7 50-51.6 27.2-27.6 77.2-78.3

Women's Base Layer Top Sizing

Euro USA Alpha Chest (in) Bust (in) Waist (in) Arm (in) Height (in)
36 0 2XS 29.1-30.7 30.7-32.3 22.8-24.4 19.7-20.1 61.8-63
38 2 2XS-SX 30.7-32.3 32.3-33.9 24.4-26 20.5-20.9 63.4-64.6
40 4 XS 32.3-33.9 33.9-35.4 26-27.6 21.3-21.7 65-66.1
42 6 SM 33.9-35.4 35.4-37 27.6-29.1 22-22.4 66.5-67.7
44 8 MD 35.4-37 37-38.6 29.1-30.7 22.8-23.2 68.1-69.3
46 10 LG 37-38.6 38.6-40.2 30.7-32.3 23.6-24 69.7-70.9
48 12 XL 38.6-40.2 40.2-41.7 32.3-33.9 24.4-24.8 71.3-72.4
50 14 XL-2XL 40.2-41.7 41.7-43.3 33.9-35.4 24.4-24.8 71.3-72.4
52 16 2XL-3XL 41.7-43.3 43.3-44.9 35.4-37 25.2-25.6 72.8-74
54 18 3XL 43.3-44.9 44.9-46.5 37-38.6 25.2-25.6 72.8-74

Women's Base Layer Pants Sizing

Euro USA Alpha US Pant Size Waist (in) Hip (in) Thigh (in) Inseam (in) Height (in)
36 0 2XS 22 22.8-24.4 32.3-33.9 19.7-20.1 28.3-28.7 61.8-63
38 2 2XS-SX 24 24.4-26 35-35.4 20.5-20.9 29.1-29.5 63.4-64.6
40 4 XS 26 26-27.6 35.4-37 21.3-21.7 29.9-30.3 65-66.1
42 6 SM 28 27.6-29.1 37-38.6 22-22.4 30.7-31.1 66.5-67.7
44 8 MD 30 29.1-30.7 38.6-40.2 22.8-23.2 31.5-31.9 68.1-69.3
46 10 LG 32 30.7-32.3 40.2-41.7 23.6-24 32.3-32.7 69.7-70.9
48 12 XL 34 32.3-33.9 41.7-43.3 24.4-24.8 33.1-33.5 71.3-72.4
50 14 XL-2XL 36 33.9-35.4 43.3-44.9 25.2-25.6 33.1-33.5 71.3-72.4
52 16 2XL-3XL 38 35.4-37 44.9-46.5 26-26.4 33.9-34.3 72.8-74
54 18 3XL 40 37-38.6 46.5-48 26.8-27.2 33.9-34.3 72.8-74

Men's Base Layer Pants Sizing

Euro USA Alpha US Pant Size Waist (in) Hip (in) Thigh (in) Inseam (in) Height (in)
42 32 2XS 26 26.8-28.3 32.7-34.3 19.7-20.1 28.7-29.1 62.6-64.2
44 34 2XS-XS 28 28.3-29.9 34.3-35.8 20.5-20.9 29.5-29.9 64.6-65.7
46 36 XS-SM 30 29.9-31.5 35.8-37.4 21.3-21.7 30.3-30.7 66.1-67.3
48 38 SM-MD 32 31.5-33.1 37.4-39 22-22.4 31.1-31.5 67.7-68.9
50 40 MD 34 33.1-34.6 39-40.6 22.8-23.2 31.9-32.3 69.3-70.5
52 42 LG 36 34.6-36.2 40.6-42.1 23.6-24 32.7-33.1 70.9-72
54 44 XL 38 36.2-37.8 42.1-43.7 24.4-24.8 33.5-33.9 72.4-73.6
56 46 XL-2XL 40 37.8-39.4 43.7-45.3 25.2-25.6 34.3-34.6 74-75.2
58 48 2XL 42 39.4-40.9 45.3-46.9 26-26.4 35-35.4 75.6-76.8
60 50 3XL 44 40.9-42.5 46.9-48.4 26.8-27.2 35-35.4 75.6-76.8
62 52 3XL-4XL 46 42.5-44.1 48.4-50 27.6-28 35.8-36.2 77.2-78.3
64 54 4XL 48 44.1-45.7 50-51.6 28.3-28.7 35.8-36.2 77.2-78.3

Men's Casual Shoe Size Conversion

USA Euro Japan
6 38 23
6.5 38.5 23.5
7 39 24
7.5 40 24.5
8 40.5 25
8.5 41 25.5
9 42 26
9.5 42.5 26.5
10 43 27
10.5 43.5 27.5
11 44 28
11.5 45 28.5
12 45.5 29.5
12.5 46 30
13 47 30.5
13.5 47.5 31
14 48 31.5

Off-Road Boots Conversion

Men's Conversion
US EURO
5 38
6 39
7 401/2
8 42
9 43
10 441/2
11 451/2
12 47
13 48
14 491/2
15 51
16 52
Women's Conversion
US EURO
4 35
5 36
6 37
7 38
8 39
81/2 40
9 41
10 42
11 43
111/2 44
Kid's Conversion
US EURO
91/2 26
10 27
101/2 27
11 28
111/2 29
12 30
121/2 30
13 31
131/2 31

Alpinestars Bionic Neck Support Brace Sizing

Adults Sizing: If you have a "barrel" chest thickness (under XL) consider going one size up.

Size Chest (in) US Size
XS 32 1/4" - 33 7/8" 32
S 33 7/8" - 37" 34 - 36
M 37" - 41 3/8" 38 - 40
L 41 3/8" - 48" 44 - 50
XL  48" - 54 1/4" 52 - 58

Kids Sizing: XXS = 2XS / XXS+ = Size 2XS + Additional chest foam (included) applied.

Size Chest (in) Age
XXS+ 22 1/8" - 26" 5 - 6
XXS 26" - 29 5/8" 10 - 11
XS  29 5/8" - 32 1/4" 12 - 16

Men's Vests / Roost Guards

Size Chest (in) Height (in) Waist (in)
XS 35" - 36 5/8" 5'7" - 5'9" 28 3/4" - 30 1/4"
S 37 3/8" - 39 3/8" 5'9" - 5'10" 31 1/8" - 32 5/8"
M 39 3/4" - 41 3/8" 5'10" - 5'11" 33 1/2" - 35"
L 42 1/8" - 43 3/4" 5'11" - 6' 35 7/8" - 37 3/8"
XL 44 1/2" - 46" 6' - 6'1" 38 1/8" - 39 3/4"
XXL 46 7/8" - 48 3/4" 6'1" - 6'3" 40 1/2" - 42 1/8"
3XL 49 1/4" - 50 3/4" 6'3" - 6'4" 42 7/8" - 44 1/2"
4XL 51 5/8" 53 1/8" 6'4" - 6'5" 45 1/4" - 46 7/8"

Alpinestars Knee Brace Sizing

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