Smartwool Men's Classic Thermal Merino Base Layer Bottom
- Regular price
- $36.11
- Regular price
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$120.36 - Sale price
- $36.11
- Unit price
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We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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Free Returns
You may return most new, unopened items within 60 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
Size Chart
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 |
Kids' 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 |
Men's 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 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 of good fitting base layer pant from crotch seam to bottom along seam. |
Women's 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 |
Kids' 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 |
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 |
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 |
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 |
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" |
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 |