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Long Sleeve Merino Base Layer - Dark Sapphire

13 reviews
    • Merino Magic

      Our Merino base layer constructed using Polartec's Power Wool is perfect for cooler days or big temperature swings. This soft fabric places lofted non-itchy merino wool on the inside for tremendous thermal regulation. The synthetic fabric face actively pulls moisture from the merino where it quickly wicks to your outermost layer. This keeping you at just the right temperature whether you're working out, Ornot.
      1. Made with Polartec Power Wool.
      2. Flatlock seams for comfort.
      3. 36% Merino wool interior / 64% polyester exterior.
      4. Excellent thermal regulation and natural odor management.
      5. Constructed with bluesign®-approved materials which conserve resources and protect the health of the environment, workers and you.
      6. Sewn by hand in California.
      1. If you have questions about sizing send us an email.



      1. Orders ship from our warehouse within 48 hours on all business days.
      2. Free International shipping on orders above $250
      3. International orders ship using FedEx and generally arrive within 3-5 business days - the buyer is responsible for any duties.
      4. Real people in California make these by hand. If you have any questions get in touch, we'd love to chat!
      5. 1yr Warranty against all defects. We stand by our products and offer a crash replacement policy as well.


Customer Reviews
4.7 Based on 13 Reviews
5 ★
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12 Feb 2022
Myron F.
United States United States
I recommend this product

Long sleeve merino base layer

I liked the fit and increased warmth when layered under my long sleeve jerseys thermal jersey. I only wish the fabric was softer. Wicks fast and stays dry. Like the color too. My favorite base layer. I also have the sleeveless version.

10 Feb 2022
Erik P.
United States United States
I recommend this product

Pretty much a perfect piece of kit

Love that it matches my neck gaiter :)

28 Jan 2022
Sean L.
United States United States
I recommend this product

Great Top - Okay Fit

Really like the top and it is very warm considering its weight. I do agree with other reviews I wish the torso was not cut so long. It seems to be an inch or two longer than the sleeveless counterpart.

27 Jan 2022
Scott W.
United States United States
I recommend this product

most versatile base layer

this is a beautiful piece. fits athletic but is versatile enough to worn as an outer layer for trail running. love the merino feel against the skin. excellent cut through shoulders and across chest. tapered arms for a close, but not tight fit against the lower arms. I'm 5'9 and 150 lbs and the Medium is the perfect fit for my preferences.