Shop Smartwool + Base Layer Bottoms
![Men's Merino Sport Boxer Brief by Smartwool](https://media2.locally.com/spec-220x220/66-1082037-0-image-1593465.jpg)
SMARTWOOL
Men's Merino Sport Boxer Brief
![Men's Classic All-Season Merino Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-793899-0-image-1311721.jpg)
SMARTWOOL
Men's Classic All-Season Merino Base Layer Bottom
![Men's Intraknit Merino 200 Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-507935-4594414-image-1505935.jpg)
SMARTWOOL
Men's Intraknit Merino 200 Bottom
![Women's Classic Thermal Merino Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-507894-0-image-1976916.jpg)
SMARTWOOL
Women's Classic Thermal Merino Base Layer Bottom
![Women's Merino 150 Plant-Based Dye Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-1082110-0-image-1564455.jpg)
SMARTWOOL
Women's Merino 150 Plant-Based Dye Bottom
![Women's Classic All-Season Merino Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-549217-0-image-1161962.jpg)
SMARTWOOL
Women's Classic All-Season Merino Base Layer Bottom
![Women's Merino Lace Thong by Smartwool](https://media2.locally.com/spec-220x220/66-1082103-0-image-1505554.jpg)
SMARTWOOL
Women's Merino Lace Thong
![Men's Classic Thermal Merino Base Layer Bottom Boxed by Smartwool](https://media2.locally.com/spec-220x220/66-793914-3252028-image-1312147.jpg)
SMARTWOOL
Men's Classic Thermal Merino Base Layer Bottom Boxed
![Men's Classic Thermal Merino Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-646728-0-image-1976910.jpg)
SMARTWOOL
Men's Classic Thermal Merino Base Layer Bottom
![Women's Merino Sport Seamless Bikini by Smartwool](https://media2.locally.com/spec-220x220/66-793855-0-image-1505768.jpg)
SMARTWOOL
Women's Merino Sport Seamless Bikini
![Women's Merino Lace Bikini by Smartwool](https://media2.locally.com/spec-220x220/66-1082102-0-image-1835306.jpg)
SMARTWOOL
Women's Merino Lace Bikini
![Merino 150 Jiberish Print Boxer Brief by Smartwool](https://media2.locally.com/spec-220x220/66-1082032-0-image-1566557.jpg)
SMARTWOOL
Merino 150 Jiberish Print Boxer Brief
![Women's Merino Sport Seamless Hipster by Smartwool](https://media2.locally.com/spec-220x220/66-793859-0-image-1505767.jpg)
SMARTWOOL
Women's Merino Sport Seamless Hipster
![Men's Merino Plant-Based Dye Boxer Brief by Smartwool](https://media2.locally.com/spec-220x220/66-1082029-0-image-1566569.jpg)
SMARTWOOL
Men's Merino Plant-Based Dye Boxer Brief
![Men's Intraknit Active Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-1490954-0-image-2079625.jpg)
SMARTWOOL
Men's Intraknit Active Base Layer Bottom
![Women's Classic Thermal Merino Base Layer Bottom Plus by Smartwool](https://media2.locally.com/spec-220x220/66-1208481-0-image-1977165.jpg)
SMARTWOOL
Women's Classic Thermal Merino Base Layer Bottom Plus
![Men's Classic Thermal Merino Base Layer Pattern Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-646729-0-image-1620032.jpg)
SMARTWOOL
Men's Classic Thermal Merino Base Layer Pattern Bottom
![Women's Classic All-Season Merino Base Layer Bottom Boxed by Smartwool](https://media2.locally.com/spec-220x220/66-793903-3252840-image-1311808.jpg)
SMARTWOOL
Women's Classic All-Season Merino Base Layer Bottom Boxed
![Men's Classic All-Season Plant-Based Dye Merino Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-1490968-0-image-1835325.jpg)
SMARTWOOL
Men's Classic All-Season Plant-Based Dye Merino Base Layer Bottom
![Kid's Classic Thermal Merino Base Layer Pattern Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-332416-0-image-1620050.jpg)
SMARTWOOL
Kid's Classic Thermal Merino Base Layer Pattern Bottom
![Men's Thermal Merino Jogger Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-404431-0-image-909340.jpg)
SMARTWOOL
Men's Thermal Merino Jogger Bottom
![Women's Classic All-Season Merino Plant-Based Dye Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-1491010-0-image-1835327.jpg)
SMARTWOOL
Women's Classic All-Season Merino Plant-Based Dye Base Layer Bottom
![Women's Classic Thermal Merino Base Layer 3/4 Bottom Boxed by Smartwool](https://media2.locally.com/spec-220x220/66-1208506-0-image-1619565.jpg)
SMARTWOOL
Women's Classic Thermal Merino Base Layer 3/4 Bottom Boxed
![Women's Intraknit Active Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-1491017-0-image-2079608.jpg)
SMARTWOOL
Women's Intraknit Active Base Layer Bottom
![Women's Merino Sport Fleece Wind Tight by Smartwool](https://media2.locally.com/spec-220x220/66-978262-0-image-1622763.jpg)
SMARTWOOL
Women's Merino Sport Fleece Wind Tight
![Men's Merino Sport Fleece Wind Tight by Smartwool](https://media2.locally.com/spec-220x220/66-978187-0-image-1622782.jpg)
SMARTWOOL
Men's Merino Sport Fleece Wind Tight
![Men's Intraknit Thermal Max Merino Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-1208475-0-image-1619627.jpg)
SMARTWOOL
Men's Intraknit Thermal Max Merino Base Layer Bottom
![Men's Thermal Plant-Based Dye Merino Jogger Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-1208476-0-image-1619628.jpg)
SMARTWOOL
Men's Thermal Plant-Based Dye Merino Jogger Bottom
![Women's Intraknit Thermal Max Merino Base Layer Bottom by Smartwool](https://media2.locally.com/spec-220x220/66-1208480-0-image-1740695.jpg)
SMARTWOOL
Women's Intraknit Thermal Max Merino Base Layer Bottom
![Women's Active 7/8 Legging by Smartwool](https://media2.locally.com/spec-220x220/66-1490994-0-image-1835345.jpg)
SMARTWOOL