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UnDWool Short Sleeve

6.00 Ounces
Calculated at checkout
Size chart

Product Description

  • Merino wool combined with a layer of polyester to add stability and strength
  • Jersey knit construction provides the perfect amount of stretch without the additional weight of spandex
  • Comfortable on your skin through varied weather conditions and aerobic intensity levels 
  • Superfine Merino fibers are soft on the skin, not prickly 
  • Moisture control, odor resistance, and core temperature regulation in cool to cold weather
  • Tag free neck, drop tail backside for extra coverage
  • Can be worn on its own or as a base layer
  • Machine wash cool, tumble dry low; No bleach, softeners, harsh detergents
  • 50% Merino Wool, 50% Polyester  
DeFeet S M L XL
USA 34 - 37 in.  37 - 40 in. 40 - 43 in. 43 - 46 in.
EU 86 - 94 cm. 94 - 102 cm. 102 - 109 cm. 109 - 117 cm.

Athletic Fit- Measure around fullest part of the chest, under the arms and including shoulder blades

**Wholesale accounts please be advised this product is for retail customers only and will be removed from any B2B orders.**

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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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