Please measure to find the perfect Smartwool fit for you!
| Size | Chest | Waist | Hip | Arm Length | Inseam |
|---|---|---|---|---|---|
| Small | 36-38" | 29-31" | 36-38" | 31-32" | 30-31" |
| Medium | 39-41" | 32-34" | 39-41" | 32-33" | 31-32" |
| Large | 42-44" | 35-37" | 42-44" | 33-34" | 32-33" |
| X-Large | 45-48" | 38-40" | 45-48" | 34-35" | 33-34" |
| XX-Large | 49-51" | 41-44" | 49-51" | 35-36" | 34-35" |
| Size | Chest | Waist | High Hip | Hip | Arm Length | Inseam |
|---|---|---|---|---|---|---|
| X-Small 0-2 |
32-33" | 24-25" | 31-32" | 35-36" | 27-28" | 29-30" |
| Small 4-6 |
34-35" | 26-27" | 33-34" | 37-38" | 28-29" | 30-31" |
| Medium 8-10 |
36-38" | 28-30" | 35-36" | 39-40" | 29-30" | 31-32" |
| Large 12-14 |
39-40" | 31-32" | 37-38" | 41-42" | 30-31" | 32-33" |
| X-Large 16-18 |
41-42" | 33-34" | 39-40" | 43-44" | 31-32" | 33-34" |
| Plus Sizes | ||||||
| 1X | 43-45" | 39-41" | 44-46" | 45-47" | 31" | 30-32" |
| 2X | 47-49" | 43-46" | 48-50" | 49-51" | 31" | 30-32" |
| 3X | 51-53" | 47-50" | 52-54" | 53-55" | 32" | 30-32" |
| 4X | 55-57" | 52-55" | 56-58" | 57-59" | 33" | 30-32" |
| Size | Comparable Bra Size | Recommended Impact | |
|---|---|---|---|
| X-Small | 30 A, B, C - 32 A, B | A, B - Medium Impact | C - Low Impact |
| Small | 32 A, B, C - 34 A, B | A, B - Medium Impact | C - Low Impact |
| Medium | 34 A, B, C - 36 A, B | A, B - Medium Impact | C - Low Impact |
| Large | 36 A, B, C - 38 A, B | A, B - Medium Impact | C - Low Impact |
| X-Large | 38 A, B, C | A, B - Medium Impact | C - Low Impact |
| Size | Hand Size |
|---|---|
| X-Small | 6-6.5" |
| Small | 7-7.5" |
| Medium | 8-8.5" |
| Large | 9-9.5" |
| X-Large | 10-10.5" |

The Smartwool Men's Merino Boxer Brief combines soft Merino wool with Core Spun technology for breathable comfort and added durability. Merino wool naturally regulates temperature and resists odors, while flatlock seams and a wide, Merino-lined waistband help reduce chafing for comfortable next-to-skin wear.
Features
- Fit: slim
- Slim fit follows the contours of the body
- Lightweight Merino jersey fabric with nylon core for durability
- Flatlock seam construction minimizes chafing
- Fully functional fly
- Size M inseam: 4.75"
-
Gender
-
Age Group
-
Material
-
Style #
Please measure to find the perfect Smartwool fit for you!
| Size | Chest | Waist | Hip | Arm Length | Inseam |
|---|---|---|---|---|---|
| Small | 36-38" | 29-31" | 36-38" | 31-32" | 30-31" |
| Medium | 39-41" | 32-34" | 39-41" | 32-33" | 31-32" |
| Large | 42-44" | 35-37" | 42-44" | 33-34" | 32-33" |
| X-Large | 45-48" | 38-40" | 45-48" | 34-35" | 33-34" |
| XX-Large | 49-51" | 41-44" | 49-51" | 35-36" | 34-35" |
| Size | Chest | Waist | High Hip | Hip | Arm Length | Inseam |
|---|---|---|---|---|---|---|
| X-Small 0-2 |
32-33" | 24-25" | 31-32" | 35-36" | 27-28" | 29-30" |
| Small 4-6 |
34-35" | 26-27" | 33-34" | 37-38" | 28-29" | 30-31" |
| Medium 8-10 |
36-38" | 28-30" | 35-36" | 39-40" | 29-30" | 31-32" |
| Large 12-14 |
39-40" | 31-32" | 37-38" | 41-42" | 30-31" | 32-33" |
| X-Large 16-18 |
41-42" | 33-34" | 39-40" | 43-44" | 31-32" | 33-34" |
| Plus Sizes | ||||||
| 1X | 43-45" | 39-41" | 44-46" | 45-47" | 31" | 30-32" |
| 2X | 47-49" | 43-46" | 48-50" | 49-51" | 31" | 30-32" |
| 3X | 51-53" | 47-50" | 52-54" | 53-55" | 32" | 30-32" |
| 4X | 55-57" | 52-55" | 56-58" | 57-59" | 33" | 30-32" |
| Size | Comparable Bra Size | Recommended Impact | |
|---|---|---|---|
| X-Small | 30 A, B, C - 32 A, B | A, B - Medium Impact | C - Low Impact |
| Small | 32 A, B, C - 34 A, B | A, B - Medium Impact | C - Low Impact |
| Medium | 34 A, B, C - 36 A, B | A, B - Medium Impact | C - Low Impact |
| Large | 36 A, B, C - 38 A, B | A, B - Medium Impact | C - Low Impact |
| X-Large | 38 A, B, C | A, B - Medium Impact | C - Low Impact |
| Size | Hand Size |
|---|---|
| X-Small | 6-6.5" |
| Small | 7-7.5" |
| Medium | 8-8.5" |
| Large | 9-9.5" |
| X-Large | 10-10.5" |















