evo.com | Smartwool Long Underwear Tops > The Smartwool Classic Thermal Merino Mock Neck has a mock neck style with 100% magical 100% merino wool. With the powers of temperature regulation and stink resistance that synthetic fabrics can only dream about, this versatile base layer delivers cozy warmth without bulk. 100% Merino Wool Made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance. Regular Fit regular fit is intended to help give you room to move without additional bulk Side Seams Wrap to Front for A More Distraction-Free Fit Set-In Sleeves Flatlock Seam Construction Designed to Eliminate Chafing | Women's Smartwool Classic Thermal Mock Neck Top 2026 - X-Large Blue