Smartwool Classic Thermal Merino Base Layer One-Piece

The ultimate thermal essential, Smartwool® Classic Thermal Merino Base Layer One-Piece. Crafted with slim-fit contours that follow your body’s natural shape, this one-piece features a mock neck and long sleeves for full coverage without bulk. The interlock-knit merino fabric excels at moisture management, temperature regulation, and odor resistance, ensuring all-day freshness. Thoughtful design touches like flatlock seam construction minimize chafing, while set-in sleeves and side seams wrapped to the front provide a distraction-free fit for every adventure. Need convenience on the go? The zippered drop seat with a fully functional fly adds practical functionality without sacrificing comfort.

• The slim fit is intended to follow the contours of the body. Fabric helps combine the moisture management, temperature regulation, and odor resistance of 100{0434a5b91037e67e9f2f620d206d5a5742dd0e7c73e3b9d4985a854f842d4dbf} Merino wool with interlock knit for comfort. Flatlock seam construction designed to minimize chafing. Set-in sleeves. Side seams wrap to front for a more distraction-free fit. Zippered drop seat.
• 100{0434a5b91037e67e9f2f620d206d5a5742dd0e7c73e3b9d4985a854f842d4dbf} Merino wool.
• Mock neckline.
• Machine washable.
• Long sleeves.
• Imported.
• 100{0434a5b91037e67e9f2f620d206d5a5742dd0e7c73e3b9d4985a854f842d4dbf} merino wool.
• Machine wash.
• If you’re not fully satisfied with your purchase, you are welcome to return any unworn, unwashed items in the original packaging with tags and if applicable, the protective adhesive strip intact. Note: Briefs, swimsuits and bikini bottoms should be tried on over underwear, without removing the protective adhesive strip. Returns that fail to adhere to these guidelines may be rejected.