Skip to product information
<div class="product-single__media-group">
<div class="product-single__media-group__wrap">
<div class="product-single__wrapper" style="--padding: 100%;">
<ul class="product-single__gallery product-single__gallery-template--17619268665501__product-information-7800440258717">
<li class="product-single__gallery-item" data-alt="FilesMensSmartwoolClassicThermalMerinoBaseLayerCrewJpg">
<a name="picture"></a>
<div
id="FeaturedMedia-template--17619268665501__product-information-27884285821085-wrapper"
class="product-single__media-wrapper js"
data-product-single-media-wrapper
data-media-id="template--17619268665501__product-information-27884285821085"
tabindex="-1"
>
<div
id="ImageZoom-template--17619268665501__product-information-27884285821085"
class="media product-single__media product-single__media--has-thumbnails"
>
<img
id="FeaturedMedia-template--17619268665501__product-information-27884285821085"
class="feature-row__image lazyload product-featured-media"
srcset="
//runpacers.com/cdn/shop/files/Mens-Smartwool-Classic-Thermal-Merino-Base-Layer-Crew.jpg?v=1700852310&width=493 493w,
//runpacers.com/cdn/shop/files/Mens-Smartwool-Classic-Thermal-Merino-Base-Layer-Crew.jpg?v=1700852310&width=600 600w,
//runpacers.com/cdn/shop/files/Mens-Smartwool-Classic-Thermal-Merino-Base-Layer-Crew.jpg?v=1700852310&width=713 713w,
//runpacers.com/cdn/shop/files/Mens-Smartwool-Classic-Thermal-Merino-Base-Layer-Crew.jpg?v=1700852310&width=823 823w,
//runpacers.com/cdn/shop/files/Mens-Smartwool-Classic-Thermal-Merino-Base-Layer-Crew.jpg?v=1700852310&width=990 990w,
//runpacers.com/cdn/shop/files/Mens-Smartwool-Classic-Thermal-Merino-Base-Layer-Crew.jpg?v=1700852310&width=1100 1100w,
//runpacers.com/cdn/shop/files/Mens-Smartwool-Classic-Thermal-Merino-Base-Layer-Crew.jpg?v=1700852310&width=1206 1206w,
//runpacers.com/cdn/shop/files/Mens-Smartwool-Classic-Thermal-Merino-Base-Layer-Crew.jpg?v=1700852310 1280w
"
sizes="(min-width: 1520px) calc(1520px - 40rem), (min-width: 1000px) calc(100vw - 32rem), 100vw"
loading="lazy"
src="//runpacers.com/cdn/shop/files/Mens-Smartwool-Classic-Thermal-Merino-Base-Layer-Crew.jpg?v=1700852310&width=2200"
alt="Smartwool-Men's Smartwool Classic Thermal Merino Base Layer Crew-Pewter Blue-Lead-Pacers Running"
width="1000"
height="1000"
data-media-id="27884285821085"
>
</div></div>
</li>
</ul>
</div>
</div>
</div>
Description
Meet the new and improved Men's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels its flatlock seam construction helps prevent chafing and increases your comfort level. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking. Mads Wears Size X-Small: 177.8 cm Height, 81.28 cm Chest, 81.28 cm Arm Length, 60.96 cm Waist
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device