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$66.00 - $125.00
$115.00 - $125.00
Up to -43%
$66.00 - $125.00
$115.00 - $125.00
Up to -43%
$54.00 - $100.00
$90.00 - $100.00
-40%
$72.00 - $130.00
$120.00 - $130.00
-40%
$48.00 - $95.00
$80.00 - $95.00
-40%
Discover the perfect blend of thoughtful design, comfort, style and functionality with our plus-size collection. Designed to provide exceptional fit and active lifestyle performance, our range of plus-size clothing ensures that you feel confident and comfortable in any activity. Whether you're layering up for a hike, hitting the gym, or enjoying a casual day out, our collection offers versatile options tailored to meet your needs.
Our plus-size base layers are the foundation of any active wardrobe. Made from high-quality Merino wool, these base layers offer superior moisture-wicking and temperature-regulating properties, ensuring you stay dry and comfortable in varying conditions. The natural breathability and softness of Merino wool make our base layers perfect for all-day wear, whether you're on an outdoor adventure or relaxing at home.
For added warmth and style, our quarter zip is a must-have. This top provides an extra layer of insulation while allowing for easy temperature control. The design offers versatility, making it easy to layer over a base layer or under a jacket. Perfect for any outdoor activity, these tops keep you warm without sacrificing breathability.
Our thermal leggings are designed to keep you cozy in colder weather. These leggings feature a snug fit that provides excellent insulation while allowing for a full range of motion. Ideal for layering under pants or wearing alone, these are perfect for hiking, running, or any cold-weather activity. Our plus-size clothing is made from ethically sourced Merino wool and produced using environmentally friendly practices, to ensure you feel confident in all activities and seasons.
Want to shop locally? Smartwool is sold across 5,000+ stores in the U.S. Find one near you with our Store Locator tool.
Q: How should I care for my thermal leggings?
A: To care for your merino wool leggings, machine wash on a gentle cycle with mild detergent and lay flat to dry. Avoid using fabric softeners and bleach to maintain the quality and longevity of your leggings.
Q: Where can I buy plus-size activewear?
A: You can use our store locator tool, or shop our online store for your activewear.
Q: Can I wear base layers year-round?
A: Absolutely! Merino wool's natural temperature-regulating properties make our base layers suitable for year-round wear, keeping you comfortable in both warm and cool conditions.
Naturally versatile, renewable, and totally comfortable. Learn more about Merino wool and all the benefits that come with wearing it for all your outdoor pursuits.
We love Merino wool for its natural odor-resisting and moisture-managing abilities. Whether we’re running, biking, hiking trails, hunting, and skiing or snowboarding, Smartwool socks, base layers, and apparel help us keep us comfy and dry all day long.
We want you to be 100% satisfied and comfortable with your Smartwool purchase. Our sock, clothing, and accessories size charts are specifically designed to help you find the best fit for men’s, women’s, and kids’ Smartwool products.
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.
We are currently offering free shipping on orders $89+ placed on smartwool.com.
Shipping based on normal carrier restrictions and delays. We cannot guarantee arrival. 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.

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