Men's Basis Stretch Merino Tight


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Our active baselayer tight built with Merino ST™ and 5% spandex for ergonomic stretch and range of motion. The merino fibers wick moisture and regulate body temp. The perfect layer for outdoor winter pursuits.


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Men's Basis Stretch Merino TightMen's Basis Stretch Merino Tight
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Why We Built It

Our signature, active merino tight fits close to the body and is the perfect layering tool for ripping runs in-bounds or working up a sweat in the side and backcountry. At 18.5 micron, the merino fibers of this top are super fine, making it a year round, next-to-skin performance layer that wicks moisture, regulates body temp, and stays odor-free. And with the addition of 5% spandex, you’ll see the benefits of mechanical stretch and long-lasting durability.

Product Details
  • Merino ST™, 95% Merino 5% Spandex, 200g/m2, 18.5 micron
  • Athletic design ideal for aerobic activity
  • Flatlock seams for comfort
  • Heat transfer interior labels
  • Stio® logo embossed brushed elastic waistband
  • Cuff gusset with contrast color
  • Inseam 28 1/2”
  • Weight: 8 oz
  • Trim Fit - Our most close-fitting cut. A contemporary, more fashionable look, perfect for the modern mountain gentleman.
  • Imported from Canada

Merino ST™, 95% Merino 5% Spandex, 200g/m2, 18.5 micron

Merino ST™ is an 18.5 micron washable merino wool blend with 5% spandex and jersey knit construction. With extremely fine fibers, our Australian-sourced merino has a soft and luxurious next-to-skin feel, naturally regulates body temp, wicks moisture and resists odor. Spandex aids stretch, recovery and long-term durability. 95% Merino Wool, 5% Spandex, 200 g/m2, 18.5 micron.
Merino ST

The Stio


Fully warranted to the original owner against manufacturers' defects in material and workmanship

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Do you own this product? Let us know what you think.

Stretch Merino Crushes It
Review by Brendan - Staff

These are my winter baselayer. Nothing else comes close. Skinning in the backcountry or ripping groomers at the resort these keep me warm. Nothing beats wool. Best fabric for any weather. The stretch wool is incredible and makes for comfort all day and even well into the night. I find myself skiing all day then getting back to the house/office and wearing these all night. haha. I'm 5'11" 170 and wear a medium. Buy these you'll live in them.

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