Sizing Charts

These sizing charts are helpful reference points when shopping for cycling gear, but there's no substitute for trying something on in person. We work with our vendors to maintain the most accurate, up to date information possible, but if you purchase something that doesn't fit quite right, don't sweat it, we'll let you send it back for a refund. If you have any additional questions, feel free to contact technical support using our Live Help or by dialing 1-800-888-2710.

MEN'S
CLOTHING
Small Medium Large X-Large XX-Large
Chest Waist Chest Waist Chest Waist Chest Waist Chest Waist
Nashbar 37-39"
94-99cm
29-31"
74-79cm
40-42"
102-107cm
32-34"
81-86cm
43-45"
109-114cm
35-37"
89-94cm
46-48"
117-122cm
38-40"
97-102cm
49-51"
124-130cm
41-43"
104-109cm
Cavalo 36-38"
91-97cm
28-30"
71-76cm
38-40"
97-102cm
30-32"
76-81cm
40-42"
102-107cm
32-34"
81-86cm
42-44"
107-112cm
34-36"
86-91cm
44-46"
112-117cm
36-39"
91-99cm
Pearl Izumi 35-37.5"
89-95cm
29-31.5"
74-80cm
37.5-40.5"
95-103cm
31.5-34.5"
80-88cm
40.5-43.5"
103-110cm
34.5-37.5"
88-95cm
43.5-46.5"
110-118cm
37.5-41.5"
95-105cm
46.5-49"
118-124cm
41.5-45"
105-114cm
Louis Garneau 38"
97cm
32"
81cm
40"
102cm
34"
86cm
42"
107cm
36"
91cm
44"
112cm
38"
97cm
46"
117cm
40"
102cm
Gore Bike wear 33-35"
84-89cm
29-31"
74-79cm
35-37"
89-94cm
31-33"
79-84cm
37.5-39.5"
95-100cm
33.5-35.5"
85-90cm
40-42"
102-107cm
36-38"
91-97cm
42-44"
107-112cm
38-40"
97-102cm
Cannondale 34-36"
86-91cm
28-30"
71-76cm
37-39"
94-99cm
31-33"
79-84cm
40-42"
102-107cm
34-36"
86-91cm
43-45"
109-114cm
37-39"
94-99cm
46-48"
117-122cm
40-41"
102-104cm
Bellwether 35-37"
89-94cm
29-31"
74-79cm
38-40"
97-102cm
32-34"
81-86cm
41-42"
104-107cm
35-37"
89-94cm
44-46"
112-117cm
38-40"
97-102cm
47-51"
119-130cm
41-45"
104-114cm
Sugoi 37"
94cm
30"
76cm
39"
99cm
32"
81cm
41"
104cm
34"
86cm
44"
112cm
37"
94cm
47"
119cm
40"
102cm
Canari 38-40"
97-102cm
28-30"
71-76cm
40-42"
102-107cm
30-32"
76-81cm
42-44"
107-112cm
32-34"
81-86cm
44-46"
112-117cm
36-38"
91-97cm
46-48"
117-122cm
40-42"
102-107cm
DeMarchi 35-37"
89-94cm
25-28"
64-71cm
37-39"
94-99cm
28-31"
71-79cm
39-41"
99-104cm
32-35"
81-89cm
41-43"
104-109cm
36-38"
91-97cm
43-45"
109-114cm
39-40"
99-102cm
Primal Wear 35-37"
89-94cm
- 38-40"
97-102cm
- 40-42"
102-107cm
- 42-44"
107-112cm
- 44-46"
112-117cm
-
World Jerseys 38-40"
97-102cm
- 40-42"
102-107cm
- 42-44"
107-112cm
- 44-46"
112-117cm
- 46-48"
117-122cm
-
Fox 34-35"
86-89cm
30"
76cm
36-38"
91-97cm
32"
81cm
40-42"
102-107cm
34"
86cm
44-46"
112-117cm
36"
91cm
48-50"
122-127cm
38"
97cm
Exustar 43"
109cm
28-30"
71-76cm
45.5"
116cm
30-32"
76-81cm
48"
122cm
32-34"
81-86cm
50.5"
128cm
34-36"
86-91cm
53"
135cm
36-38"
91-97cm
Zoic 36-38"
91-97cm
37-39"
94-99cm
38.5-40.5"
98-103cm
30-32"
76-81cm
41-43"
104-109cm
33-35"
84-89cm
43.5-45.5"
110-116cm
36-39"
91-99cm
46-48.5"
117-123cm
40-43"
102-109cm
Agu 35-37"
89-94cm
29-31"
74-79cm
38-40"
97-102cm
32-34"
81-86cm
41-43"
104-109cm
35-37"
89-94cm
44-46"
112-117cm
38-41"
97-104cm
47-49"
119-124cm
42-44"
107-112cm
Mavic 34.5-36.5"
88-93cm
30-31.5"
76-80cm
36.5-38.5"
93-98cm
32-33"
81-84cm
38.5-40.5"
98-103cm
33.5-35.5"
85-90cm
40.5-42.5"
103-108cm
35.75-38"
91-97cm
43-45.25"
109-115cm
38.5-40.5"
98-103cm
Adidas 35-37"
89-94cm
29-31"
74-79cm
38-40"
97-102cm
32-34"
81-86cm
41-43"
104-109cm
34-36"
86-91cm
44-46"
112-117cm
36-38"
91-97cm
47-49"
119-124cm
38-40"
97-102cm
Santini 35-37"
89-94cm
30-32"
76-81cm
38-40"
97-102cm
32-34"
81-86cm
41-43"
104-109cm
34-35"
86-89cm
43-44"
109-112cm
35-37"
89-94cm
45-46"
114-117cm
37-39"
94-99cm
Nalini 2 = 34"
86cm
2 = 25-26"
64-66cm
3 = 35-36"
89-91 cm
3 = 27-28"
69-71cm
4 = 37-38"
94-97cm
4 = 29-30"
74-76cm
5 = 39-40"
99-102cm
5 = 31-32"
79-81cm
6 = 41-42"
104-107cm
6 = 33-34"
84-86cm
WOMEN'S
CLOTHING
X-Small Small Medium Large X-Large
Chest Waist Chest Waist Chest Waist Chest Waist Chest Waist
Nashbar 29-31"
74-79cm
21-23"
53-58cm
32-34"
81-86cm
24-26"
61-66cm
34-36"
86-91cm
27-29"
69-74cm
37-39"
94-99cm
30-32"
76-81cm
40-42"
102-107cm
33-35"
84-89cm
Pearl Izumi 32"
81cm
24"
61cm
33-35"
84-89cm
25-27"
64-69cm
35-37"
89-94cm
27-29"
69-74cm
37.5-40"
95-102cm
29.5-31.5"
75-80cm
40.5-42.5"
103-108cm
32.5-34.5"
83-88cm
Louis Garneau 30"
76cm
25"
64cm
32"
81cm
26"
66cm
34"
86cm
27"
69cm
36"
91cm
29"
74cm
38"
97cm
31"
79cm
Terry 32"
81cm
24"
61cm
33-34"
84-86cm
25-26"
64-66cm
35-37"
89-94cm
27-28"
69-71cm
38-39"
97-99cm
29-30"
74-76cm
40-41"
102-104cm
31-32"
79-81cm
Gore Bike wear 31"
79cm
25"
64cm
30-31.5"
76-80cm
24-25.25"
61-64cm
32-33"
81-84cm
25.5-27"
65-69cm
33.5-35"
85-89cm
27-28.25"
69-72cm
35-36.25"
89-92cm
28.75-30"
73-76cm
Cannondale - - 34-35"
86-89cm
26-27"
66-69cm
36-37"
91-94cm
28-29"
71-74cm
38-39.5"
97-100cm
30.5-32"
77-81cm
40.5-42"
103-107cm
33-34.5"
84-88cm
Bellwether 31-32"
79-81cm
23-24"
58-61cm
33-34"
84-86cm
25-27"
64-69cm
35-36"
89-91cm
28-30"
71-76cm
37-38"
94-97cm
31-33"
79-84cm
39-41"
99-104cm
34-37"
86-94cm
Sugoi 32.5"
83cm
25.5"
65cm
34"
86cm
27"
69cm
36"
91cm
29"
74cm
39"
99cm
32"
81cm
42"
107cm
35"
89cm
Shebeest 32-33.5"
81-85cm
23-24.5"
58-62cm
34-35.5"
86-90cm
25-26.5"
64-67cm
36-37.5"
91-95cm
27-28.5"
69-72cm
38-39.5"
97-100cm
29-30.5"
74-77cm
40-41.5"
102-105cm
31-32.5"
79-83cm
Canari - - 33-35"
84-89cm
25-27"
64-69cm
35-37"
89-94cm
27-29"
69-74cm
37-39"
94-99cm
29-31"
74-79cm
39-42"
99-107cm
31-34"
79-86cm
DeMarchi 28-30"
71-76cm
21-23"
83-58cm
30-32"
76-81cm
23-25"
58-64cm
32-34"
81-86cm
26-28"
66-71cm
34-36"
86-91cm
29-31"
74-79cm
36-38"
91-97cm
32-34"
81-86cm
Primal Wear 30-32"
76-81cm
22-23"
56-58cm
32-34"
81-86cm
23-25"
58-64cm
34-35"
86-89cm
25-26"
64-66cm
36-37"
91-94cm
27-28"
69-71cm
38.5-40"
98-102cm
29.5-31"
75-79cm
Fox 32-33"
81-84cm
24-25"
61-64cm
34"
86cm
26"
66cm
35"
89cm
27"
69cm
36.5"
93cm
28.5"
72cm
38"
97cm
30"
76cm
Exustar - - 43"
109cm
28"
71cm
45.5"
116cm
30"
76cm
48"
122cm
32"
81cm
50.5"
128cm
34"
86cm
Zoic 32-34"
81-86cm
24-26"
61-66cm
32-33.5"
81-85cm
26.5-28"
67-71cm
34-35.5"
86-90cm
28.5-30"
72-76cm
36-37.5"
91-95cm
30.5-32"
77-81cm
38-40"
97-102cm
32.5-34"
83-86cm
Adidas 30.5-32.5"
77-83cm
21.5-23.5"
55-60cm
33-35"
84-89cm
24-26"
61-66cm
35.5-37.5"
90-95cm
26.5-28.5"
67-72cm
35-40"
89-102cm
29-31"
74-79cm
40.5"
103cm
31"
+ 79cm
GLOVES Men's Women's
X-Small 7", 17.8cm -
Small 7.5", 19cm 5.5", 14cm
Medium 8", 20.3cm 6.5", 16.5cm
Large 8.5-9", 21.6-22.9cm 7-7.5", 17.8-19cm
X-Large 9.5-10", 24-25.4cm 8-9", 20.3-22.9cm
Tip: Measure around your hand at the fullest point, not including your thumb.
HELMETS Giro Bell Louis Garneau Ascent Cavalo Limar
Small 20-21.75"
50.8-55.3cm
20-21.75"
50.8-55.3cm
20.5-22"
52-55.9cm
- - -
Medium 21.75-23.25"
55.3-59cm
21.75-23.25"
55.3-59cm
22-23.25"
55.9-59cm
- - 19.75-22.5"
50-57cm
Large 23.25-24.75"
59-62.9cm
23.25-24.75"
59-62.9cm
23.25-24.5"
59-62.3cm
- - 21.75-24"
55-61cm
Small/Medium - - - 21.25-22.75"
54-57.8cm
21.25-22.75"
54-57.8cm
-
Large/X-Large - - - 22.75-24.5"
57.8-62.3cm
22.75-24.5"
57.8-62.3cm
-
Tip: Measure the circumference of your head approximately half an inch above your eyebrows.
MEN'S SHOES- U.S. 3.5 3.75 4 4.5 5 5.5 6 6.5 7 7.25 7.5 8 8.5 9 9.5 10 10.5 10.75 11 11.5 12 12.5 13 13.5 14 14.25 14.5 15 16
Pearl Izumi - - 36-36.5 37 37.5 38 38.5-39 39.5 40 - 40.5 41.5 42 42.5 43-43.5 44 44.5 - 45 46 46.5 47 47.5-48 48.5 49 - - - -
Shimano - - 36.5 37 37.5-38 38.5 39-39.5 39.5-40 40-40.5 - 40.5-41 41.5 42-42.5 43 43.5-44 44-44.5 45 - 45.5-46 46.5 47-48 - 49 - 50 - - - -
Northwave - 35 - 36 - 37 - 38 39 39.5 40 40.5 41 41.5 42 42.5 43 43.5 44 44.5 45 45.5 46 47 48 - 49 50 -
Lake - - - - 39 39.5 40 40.5 41 - 41.5 42 42.5 43 43.5 44 44.5 - 45 45.5 46 46.5 47 48 49 - 49.5 50 -
Giro - - - - - - - 39 39.5-40 - 40.5 41 41.5-42 42.5 43 43.5 44-44.5 - 45 45.5 46 46.5-47 47-48 48 - - - - -
Louis Garneau - 36 347 38 38.5 39 39.5 40 40.5 - 41 41.5 42 42.5 43 43.5 44 - 44.5 45 45.5 46 46.5 47 48 49 50 - -
Carnac - - 37 - 38 - 39 - 40 - - 41 - 42 - 43 - - 44 - 45 - 46 - 47 - - 48 -
Exustar 35 - 36 36.5 37 37.5-38 38.5 39 39.5-40 - 40-40.5 41 41.5 42-42.5 42.5-43 43.5 44 - 44.5-45 45-45.5 46 46.5-47 - - - - - - -
Gaerne - - 36 - 37 38 39 - 40 - - 41 42 42.5 43-43.5 44 44.5 - 45 - 46 47 48 - - - - - -
Nashbar - - - - 39 39.5 40 40.5 41 - 41.5 42 42.5 43 43.5 44 44.5 - 45 45.5 46 46.5 47 48 49 - 49.5 50 -
Diadora - - 36 36.5 37 38 38.5 39 40 - 40.5 41 42 42.5 43 44 44.5 - 45 45.5 46 47 47.5 48 49 - 49.5 50 -
AGU 34.5 - 35 36 36.5 37 38 38.5 39 - 40 40.5 41 42 42.5 43 44 - 44.5 45 46 - 47 - 48 - - 49 50
WOMEN'S SHOES- U.S. 4 4.5 5 5.5 6 6.25 6.5 7 7.5 8 8.25 8.5 9 9.5 10 10.5 11 11.5 11.75 12 12.5 13 13.5 14 14.5 15 15.5 16
Pearl Izumi 35-35.5 36 36.5 37 37.5-38 - 38.5 39 39.5-40 40-40.5 - 41 41.5 42 42.5-43 43.5 44 44.5-45 - 45.5 46 46.5-47 48.5 49 - - - -
Shimano - - 36 37 37.5 - 38 38.5-39 39.5 40-40.5 - 41 41.5 42 42.5 43 43.5-44 - - - - - - - - - - -
Northwave - - - 35 36 - 37 - 38 39 39.5 40 40.5 41 41.5 42 42.5 43 43.5 44 44.5 45 45.5 14 47 48 49 50
Lake - - 36 36.5 37 - 37.5 38 38.5 39 - 39.5 40 40.5 41 41.5 42 42.5 - 43 - - - - - - - -
Giro - - 36 36-37 37-37.5 - 38 38.5 39 39.5-40 - 40.5 41 41.5-42 42-42.5 43 - - - - - - - - - - - -
Louis Garneau - - - - 36 37 38 38.5 39 39.5 - 40 40.5 41 41.5 42 42.5 43 - 43.5 44 - - - - - - -
Gaerne - - 36 - 37 - - 38 39 40 - - 41 - 42 42.5 43-43.5 44 - 44.5 - - - - - - - -
Nashbar - - 36 36.5 37 - 37.5 38 38.5 39 - 39.5 40 40.5 41 41.5 42 42.5 - 43 - - - - - - - -
Diadora - - - 36 36.5 - 37 38 38.5 39 - 40 40.5 41 42 42.5 43 - - - - - - - - - - -
AGU - - 34.5 35 36 - 36.5 37 38 38.5 - 39 40 40.5 41 42 42.5 - - - - - - - - - - -