Our award-winning base layers have been keeping people comfortable outside for decades. The Women's Thermal Merino Plus Base Layer Collection was made so more women can get after it and feel good doing it—because every body belongs.
Focused on fit.
We've conducted focus groups across the U.S. with diverse groups of women to make sure we created a fit for all your unique needs. Our plus size base layers are designed to enhance all body types with a slim fit that's perfect for layering under your clothes or flattering on its own.
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Made better, not just bigger.
A style for every stroll and slope.
With a variety of colors, cuts, patterns, and prints, you're free to get out there your way, no matter the activity.
Our award-winning base layers have been keeping people comfortable outside for decades. The Women's Thermal Merino Plus Base Layer Collection was made so more women can get after it and feel good doing it—because every body belongs.
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Free Returns
Free Return Policy Smartwool offers free returns within 30 days from the date of purchase. Items must be unused, unwashed, and unaltered.
Store Returns Return the unworn item(s) to the store where you originally made the purchase for a refund or exchange.
Online Returns Return unworn item(s) purchased at smartwool.com 30 days from the date of purchase for a complete refund. Initiate a return by accessing your order history and selecting “Return Items."
Refunds may take up to 3-5 weeks to process due to the time often required for shipping and bank processing. Exchanges are not available.
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Free Shipping
Free standard shipping on orders $89+
Offer is valid for the continental US excluding Alaska, Hawaii, Puerto Rico and any US territories, as well as PO Box addresses. Delivery days are Monday-Friday, excluding US federal holidays. Free shipping may not be available for some customers.
SHIPPING RATES & INFO:
$7 Standard: 5-7 business days No weekend delivery. NOT available for orders to AK and HI.
$15 Express: 2 business days No weekend delivery. Available for orders to AK and HI.
$30 Priority*: Next day No weekend delivery. Available for orders to AK and HI.
