Smartwool Size Charts

Socks

Size U.S. Men's Shoe Size U.S. Women's Shoe Size Euro Shoe Size UK Shoe Size
S 3-5.5 4-6.5 34-37 2-4.5
M 6-8.5 7-9.5 38-41 5-7.5
L 9-11.5 10-12.5 42-45 8-10.5
XL 12-14.5 N/A 46-49 11-13.5

Frequently Asked Questions on Sock Sizing

Smartwool socks run true to size, based on your total foot length (and calf circumference, for compression socks). Refer to the sock size charts above to identify which size is right for you.

With proper foot length (and calf circumference, when applicable), you can reference the above Smartwool socks size chart to ensure the right size. If you have specific questions about size and fit, feel free to contact us.

Not with proper care. Smartwool's high-quality wool sock construction methods help your socks retain their shape and fit.

Clothing

Size Chest Waist Hip Arm Length Inseam
S 36"-38"
91.5-96.5cm
29"-31"
73.5-78.5cm
36"-38"
89-96.5cm
31"-32"
68.5-81.5cm
30"-31"
73.5-78.5cm
M 39"-41"
99-104cm
32"-34"
81.5-86.5cm
39"-41"
99-104cm
32"-33"
81.5-84cm
31"-32"
78.5-81.5cm
L 42"-44"
106.5-112cm
35"-37"
89-94cm
42"-44"
106.5-112cm
33"-34"
84-86.5cm
32"-33"
81.5-84cm
XL 45"-48"
114.5-122cm
38"-40"
96.5-101.5cm
45"-48"
114.5-122cm
34"-35"
86.5-89cm
33"-34"
84-86.5cm
XXL 49"-51"
124.5-129.5cm
41"-44"
104-112cm
49"-51"
124.5-129.5cm
35"-36"
89-91.5cm
34"-35"
86.5-89cm
How to Measure Measure under the arms, around fullest part of chest and back circumference. Measure around natural waistline, keeping tape a bit loose. Measure around the fullest part of hip circumference, parallel to the floor. With elbow bent slightly, measure from centre back of neck, across top of shoulder, to elbow and down to wrist bone. Measure along inside leg from crotch to ankle bone. Or measure a good fitting base layer pant from crotch seam to bottom along seam.
Size Chest Waist High Hip Hip Arm Length Inseam
XS
0-2
32"-33"
81.5-84cm
24"-25"
61-63.5cm
31"-32"
78.5-81.5cm
35"-36"
81-91.5cm
27"-28"
68.5-71cm
29"-30"
73.5-76cm
S
4-6
34"-35"
86.5-89cm
26"-27"
66-68.5cm
33"-34"
84-86.5cm
37"-38"
94-96.5cm
28"-29"
71-73.5cm
30"-31"
76-78.5cm
M
8-10
36"-38"
91.5-96.5cm
28"-30"
71-76cm
35"-36"
89-91.5cm
39"-40"
99-101.5cm
29"-30"
73.5-76cm
31"-32"
78.5-81.5cm
L
12-14
39"-40"
99-101.5cm
31"-32"
78.5-81.5cm
37"-38"
94-96.5cm
41"-42"
104-106.5cm
30"-31"
76-78.5cm
32"-33"
81.5-84cm
XL
16-18
41"-42"
104-106.5cm
33"-34"
84-86.5cm
39"-40"
99-101.5cm
43"-44"
109-112cm
31"-32"
78.5-81.5cm
33"-34"
84-86.5cm
Plus Sizes Chest Waist High Hip Hip Arm Length Inseam
1X
16-18
43"-45"
109-114.5cm
39"-41"
99-104cm
44"-46"
112-117cm
45"-47"
114.5-119.5cm
30"-32"
76-81.5cm
31"
78.5cm
2X
20-22
47"-49"
119.5-124.5cm
43"-46"
109-117cm
48"-50"
122-127cm
49"-51"
124.5-129.5cm
30"-32"
76-81.5cm
31"
78.5cm
3X
24-26
51" - 53"
129.5 - 134.5cm
47" - 50"
119.5 - 127cm
52" - 54"
132 - 137cm
53" - 55"
134.5 - 139.5cm
30" - 32"
76-81.5cm
31"
78.5cm
How to Measure
Chest Waist High Hip Hip Arm Length Inseam
Measure under the arms, around fullest part of chest and back circumference. Measure around natural waistline, keeping tape a bit loose. Measure around high hip circumference approximately 3" below natural waistline. Measure around the fullest part of hip circumference, parallel to the floor. With elbow bent slightly, measure from centre back of neck, across top of shoulder, to elbow and down to wrist bone. Measure along inside leg from crotch to ankle bone. Or measure a good fitting base layer pant from crotch seam to bottom along seam.
Size Chest Waist Hip Inseam Arm Length
XXS
M’s XXS / W’s XS
32-33in
81.5-84cm
24-25in
61-63.5cm
31-32in
78.5-81.5cm
30-31in
76-78.5cm
30-31in
76-78.5
XS
M’s XS / W’s S
33-35in
84-89cm
26-28in
66-71cm
33-35in
84-89cm
31-32in
78.5-81.5cm
31-32in
78.5-81.5cm
S
M’s S / W’s M
36-38in
91.5-96.5cm
29-31in
73.5-78.5cm
36-38in
91.5-96.5cm
31-32in
78.5-81.5cm
31-32in
78.5-81.5cm
M
M’s M = W’s L
39-41in
99-104cm
32-34in
81.5-86.5cm
39-41in
99-104cm
31-32in
78.5-81.5cm
32-33in
81.5-84cm
L
M’s L = W’s XL
42-44in
106.5-112cm
35-37in
89-94cm
42-44in
106.5-112cm
32-33in
81.5-84cm
33-34in
84-86.5cm
XL
M’s XL = W’s XXL
45-48in
114.5-122cm
38-40in
96.5-101.5cm
45-48in
114.5-122cm
32-33in
81.5-84cm
34-35in
86.5-89
XXL
M’s XXL / W’s XXXL
49-51in
124.5-129.5cm
41-44in
104-112cm
49-51in
124.5-129.5cm
33-34in
84-86.5cm
35-36in
89-91.5cm

Women’s Size Guidance: Our Unisex apparel is built on a looser fitting size block. For Women, if you want a regular fit, please size down one size. If you prefer a looser fit, then choose your normal size.

Frequently Asked Questions on Clothing Sizing

Yes. Refer to the clothing size charts above to identify which size is right for you based on your body measurements.

Taking proper measurements and referencing the applicable Smartwool size chart will enable you to identify the best fit. If you have specific questions about size and fit, feel free to contact us.

Smartwool offers standard sizes for men (S-XXL) and women (XS-XL), and do not officially offer petite or big/tall sizes. Refer to the clothing size charts above to identify which size is right for you.