Try yourself our most breathable apparel.

Log in or create an account to take a sneak peek at our must have, selected by our team for your comfort. We’re pretty confident you will love them. In fact, to prove it, we want to provide you with a 30-day wear test. Yep that’s right, that’s 30 days of testing it within your own outdoor adventures. 30 days to fall in love with this incredible gear and all of it’s amazing benefits. And at the end of the wear test, if by chance you haven’t fallen in love, simply send it back and we’ll happily refund your purchase, including shipping!


Valid only on selected Merino wool gear. Full terms and conditions at the bottom of the page (*).

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Womens Mens

(*) The 30-day Wear Test is valid on selected qualifying Merino Gear – for both men and women from 14/03/2024 to 02/06/2024. The 30-Day Wear Test is only applicable to identified products purchased directly from Smartwool websites at and The 30-Day Wear Test commences upon delivery of goods to consumer and concludes exactly 30 calendar days thereafter. In the event that a consumer is dissatisfied with a qualifying product, they must contact Smartwool’s customer service before the end of the 30-Day Wear Test to initiate a full refund as follows: registered users can access the "Return" section of their user dashboard and manage return requests; unregistered users must complete the form at the “Guest” section. Qualifying 30-Day Wear Test products may be worn, however must be returned in all their parts. Important Restrictions: 30-Day Wear Test is not applicable to similar qualifying products purchased before 14/03/2024 of the 30-Day Wear Test. The initiative is available for a limited time only and subject to change without notice.