Smartwool Classic All-Season Merino Women's Base Layer Bottom SB Performance Average: 9 - 13 hours

Average: 9 - 13 hours and High: 4 - 6 hours

For the woman looking for something warmer that is still the smooth comfortable fit of a long underwear these are

From the plane to the train and the bus to the hill

perfect for fitness-focused skiers and weekend tourers

Smartwool Classic All-Season Merino Women's Base Layer Bottom SB Performance Average: 9 - 13 hoursThe Classic All Season Merino Womens Base Layer Bottom provides lightweight warmth and reliable comfort for year round layering. Built with a Merino wool blend, it offers breathable temperature regulation and soft next to skin performance. Why we like it: The fabric combines Merinos natural moisture management and odor resistance with added durability for everyday wear. Its a dependable base layer that works across a wide range of temperatures and