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Step into unparalleled comfort and performance with Smartwool's Merino wool running apparel and socks. Designed for the modern runner, Smartwool brings together innovation, sustainability, and the unmatched performance of Merino wool to equip you for any adventure. Whether you're a seasoned marathoner or a weekend jogger, our collection is thoughtfully crafted for every stride.
Discover the magic of Merino wool running gear, a fabric revolution that keeps you comfortably in motion. Merino wool, renowned for its exceptional moisture-wicking and temperature-regulating properties, ensures you stay dry and comfortable regardless of the weather. This natural fiber adapts to your body's needs, providing warmth when it's cool and cooling you down when things heat up.
Our collection showcases industry-leading wool running socks, designed to cushion your feet while maintaining breathability and support. Each step feels lighter with our Merino wool running socks. Features like our Virtually Seamless™ toe is engineered to reduce friction and enhance comfort. From tackling a tough trail or hitting the pavement, our socks will keep your feet happy mile after mile. Find our top picks at best wool running socks.
At Smartwool, we’re way more than socks. Our running offerings extend to a variety of Merino wool running clothes, from sleek active fleece tights that offer warmth and flexibility, to the versatile Merino wool hoodie, ideal for layering. Face the elements in our Intraknit™ Active Full Zip Jacket, a testament to innovative design and comfort.
Shop our wool running gear to find your perfect running companion.
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: Are wool socks good for running?
A: Absolutely! Wool socks, especially our Merino wool running socks, provide excellent moisture management, temperature regulation, and cushioning, making them ideal for running.
Q: Can you wear Merino wool for running?
A: Yes, Merino wool is perfect for running due to its natural breathability, odor resistance, and ability to maintain thermal regulation, keeping you comfortable in various conditions.
Q: Is Merino wool a good base layer for running?
A: Merino wool is an excellent base layer for running. It wicks moisture away from the body, keeping you dry and comfortable, and adapts to temperature changes, making it suitable for all weather conditions.
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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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