Stay warm, dry, and comfortable through the coldest days with SmartWool’s merino wool base layer leggings for cold weather. Crafted with 100% merino wool interlock knit, they deliver exceptional thermoregulation and odor resistance—perfect for hiking, skiing, or relaxing at home.
- Mid-rise with merino-covered waistband for all-day comfort
- Flatlock seams reduce chafing during high activity
- Women’s thermal base layer leggings for layering with boots or snow pants
- Lettuce edge hem adds feminine flair
- Size medium inseam: 30.5 in. (77.5 cm)
Looking for tips on how to maintain your thermal base layer? Hand wash gently in cold water and lay flat to dry—preserves the softness and shape for seasons to come.
Mr. Raymond Mathis (verified owner) –
I wore these during a ski trip in Utah and they were the best merino wool leggings for women I’ve ever owned—super warm and breathable!
Michael Ortiz (verified owner) –
Love the lettuce edge detail! These thermal base layer leggings are both stylish and practical for layering all winter long.
Pamela Berg (verified owner) –
Wasn’t sure if I should buy women’s thermal base layer bottoms online but these fit perfectly and are even softer than expected.