Every single item we make, from lifestyle socks to our most technical base layers, comes with our 100% Satisfaction Guarantee. The Smartwool Promise
Smartwool sock merino

The Smartwool Promise

We stand behind everything we make. We promise to make our products with incredible attention to comfort, fit, and durability—because we want you to love our gear as much as we do.

And we want our products to be able to support all of your adventures, from exploring new cities to summiting new mountains. So if, for any reason, you aren’t completely happy with your Smartwool® gear within two years of purchasing, we’ll get you into some new gear. No problem.

Canada Smartwool Guarantee Information:

An authorization number is required for all Canadian Guarantee claims. To obtain your authorization number, send us an email at including the information requested below.

Full name:
Phone number:
Product name and size:

Pictures of your Smartwool product (overall and problem area) and receipt.

While our goal is to provide you with an exact replacement for your product, we may not have stock available. We ask that you also provide us with 3 similarly priced products in the same category in order of preference which could be a suitable replacement.

Upon receiving the requested information we’ll initiate the warranty process for your claim. Please allow up to 7-10 business days to process your claim.