Smartwool Thermal Merino Rib Crew

What Our Gearhead® Experts Are Saying:"I grab the Thermal Merino Rib Crew whenever I want lightweight warmth that doesn’t itch or overheat. It fits great under my shell or fleece and breathes well enough to wear all day without needing to change layers."We’re all about functional layering pieces that work just as well on the skintrack as they do around town, and the Thermal Merino Rib Crew delivers. Crafted with 100% Merino wool in an interlock knit, this crewneck brings natural moisture management, odor resistance, and breathable warmth to our winter layering kit.Whether we’re chasing morning powder laps or cozying up after a long day outside, we love how the soft feel and simple silhouette fit seamlessly into our cold-weather routine. Set-in sleeves elevate comfort under backpacks or jackets, while the regular fit offers easy mobility without bulk. It’s a no-brainer base for alpine pursuits and everyday adventures alike.