Smartwool Size Chart
Smartwool Sock Sizing      |       Smartwool Clothing Sizing      |       Smartwool Accessories Sizing
We want you to be 100% satisfied and comfortable with your Smartwool purchase. Our sock, clothing, and accessories size charts are specifically designed to help you find the best fit for men’s, women’s, and kids’ Smartwool products.
Smartwool Socks Size Chart
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
XXL 15-17.5 N/A 50-53 14-16.5
Shop Men’s Socks
Shop Women’s Socks
Kids’ Smartwool Socks Size Chart
Size U.S. Shoe Size Euro Shoe Size UK Shoe Size
XS 6-8.5 22-25 5-7.5
S 9-11.5 26-28 8-10.5
M 12-2.5 29-32 11-13.5
L 3-6 33-36 1-4.5
Shop Kids’ Socks
Frequently Asked Questions on Sock Sizing
Do Smartwool socks run big, small, or true to size?
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.
How do I know what size is right for me?
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.
Will Smartwool socks shrink or stretch?
Not with proper care. Smartwool’s high-quality wool sock construction methods help your socks retain their shape and fit.
Does Smartwool provide sock repairs?
We don’t have a repair service, but if you’re not completely satisfied with your socks, you have two years to return them. See the details of the Smartwool satisfaction guarantee to see if we can help you.
What if a pair of socks I order doesn’t fit?
We’ve got your back–er, feet! With our 100% Satisfaction Guarantee, you can be assured an exchange or refund for your socks. Visit our Free Return Policy for more details.
Men’s Smartwool Apparel Size Chart
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 frocm center 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.
Shop Men’s Clothing
Women’s Smartwool Apparel Size Chart
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″-41″
99-104cm 31″-34″
78.5-86.5cm 37″-39″
94-99cm 41″-43″
104-109cm 30″-31″
76-78.5cm 32″-33″
81.5-84cm
XL
16-18 41″-44″
104-112cm 35″-38″
89-96.5cm 40″-43″
101.5-109cm 44″-47″
112-119.5cm 31″-32″
78.5-81.5cm 33″-34″
84-86.5cm
Plus Sizes
1X
16-18 43″-45″
109-114.5cm 39″-41″
99-104cm 44″-46″
112-117cm 45″-47″
114.5-119.5cm 31″
78.5cm 30″-32″
76-81.5cm
2X
20-22 47″-49″
119.5-124.5cm 43″-46″
109-117cm 48″-50″
122-127cm 49″-51″
124.5-129.5cm 31″
78.5cm 30″-32″
76-81.5cm
3X
24-26 51″ – 53″
129.5 – 134.5cm 47″ – 50″
119.5 – 127cm 52″ – 54″
132 – 137cm 53″ – 55″
134.5 – 139.5cm 31″
78.5cm 30″ – 32″
76-81.5cm
4X
28-30 55″-57″
139.5 – 145cm 52″-55″
132 – 139.5cm 56″-58″
142 – 147.5cm 57″ – 59″
145 – 150cm 33″
84cm 30″ – 32″
76-81.5cm
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 high hip circumference approximately 4″ below natural waistline. Measure around the fullest part of hip circumference, parallel to the floor. With elbow bent slightly, measure from center 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.
Shop Women’s Clothing
Women’s Smartwool Seamless Bra Size Chart
Size Comparable Bra Size
XS 30A, 30B, 30C, 32A, 32B
S 32C, 32D, 34A, 34B
M 34C, 34D, 36A, 36B
L 36C, 36D, 38A, 38B
XL 38D, 38C, 40A, 40B, 40C, 40D
Shop Women’s Bras
Kids’ Smartwool Apparel Size Chart
Size Age Chest Waist Height Weight
XXS 2-3 22.5″-23.5″
57-60cm 20″-21.5″
50-54.5cm 35″-41″
80-104cm 31-41 lbs
XS 4-5 24″-25″
61-63.5cm 22″-22.5″
56-57cm 42″-48″
106.5-122cm 42-49 lbs
S 6-8 25.5″-26.5″
64-67.5cm 23″-24″
58.5-61cm 48″-54″
122-137cm 49-59 lbs
M 9-10 27″-28″
68.5-71cm 24.5″-25″
62-63.5cm 54″-57″
137-145cm 59-75 lbs
L 11-12 28.5″-30″
72.5-76cm 25.5″-26″
65-66cm 57″-60″
145-152.5cm 75-89 lbs
XL 13-14 30.5″-32″
77.5-81cm 26.5″-28″
67.5-71cm 60″-62″
152.5-157.5cm 89-100 lbs
Shop Kids’ Clothing
Adult Unisex Apparel
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
Does Smartwool clothing run true to size?
Yes. Refer to the clothing size charts above to identify which size is right for you based on your body measurements.
How do I know what size is right for me?
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.
Does Smartwool carry petite and big/tall sizes?
Smartwool offers standard sizes for men (S-XXL), women (XS-XL), and kids (XS-XL). We do not officially offer petite or big/tall sizes. Refer to the clothing size charts above to identify which size is right for you.
Will Smartwool clothing shrink or stretch?
With the proper care, detailed on each specific product page, your Smartwool clothes should retain their original fit throughout their normal lifecycle. Visit our care page for details on how to care for your wool socks and clothing.
Does Smartwool provide alterations?
We don’t provide alterations. We are confident our standard sizes will provide a satisfactory fit. If you have specific questions about size and fit, feel free to contact us.
What if the size I order does not fit–or I got the wrong color?
No worries! Our 100% Satisfaction Guarantee ensures you’ll receive an exchange or refund. Check out our Free Return Policy for details.
Smartwool Hat Size Chart
Size Head Circumference
Adult – One Size Fits Most (1SFM) 21.5″-23.5″
55-60 cm
Kids L/XL 21.5″-23″
54.5-56 cm
Kids S/M 20.5″-21″
52-53.5 cm
Baby 12-24 Months 18″-19.5″
48-52 cm
Baby 6-12 Months 17″-18″
43-47 cm
Smartwool Gloves Size Chart
Size Hand Size
XS 6″-6.5″
15-16.5 cm
S 7″-7.5″
18-19 cm
M 8″-8.5″
20-21.5 cm
L 9″-9.5″
23-24 cm
XL 10″-10.5″
25-27 cm
Kids’ Gloves Size Chart
Size Hand Width Hand Length
S 5″ – 5.5″ 5.5″
M 5.5″ – 6″ 6″
L 6 – 6.5″ 6″
Arm Sleeves
Size Arm Length Bicep Wrist
S/M 27-32in
68.5-81.5cm 9.5-12.5in
24-32cm 5.5-7in
14-18cm
L/XL 32-36in
81.5-91.5cm 12.5-16in
32-40.5cm 7-8.5in
18-21.5cm
Men’s Accessories
Women’s Accessories
Kids’ Accessories
Frequently Asked Questions on Accessories Sizing
Do Smartwool hats and gloves run big, small, or true to size?
True to size. Apply proper measurement of your head circumference and hand size to the applicable size chart above to choose the best size.
How do I know what size is right for me?
Smartwool hats and gloves come in standard sizes, helping to minimize size issues. With the proper measurements and applicable Smartwool size chart, you can be confident in your size selection. But if you’re still wondering, feel free to contact us.
Will Smartwool hats and gloves shrink or stretch?
Because Smartwool products are designed to retain their fit and shape, proper care and maintenance will help avoid shrinking or stretching. You can see details about how to care for your Smartwool products on our wool care page.
Does Smartwool provide alterations?
No. And with our standard-sized wool hats and gloves, the need for alterations is rare.
What if I don’t like the size, color, or style?
We understand. That’s why we offer a Free Return Policy and 100% Satisfaction Guarantee–to ensure you get the wool hat or gloves you want and love.