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Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's

Sale price $120.00

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Only 1 in stock

Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's

2026 Smartwool Baselayer Top

We've updated the fit of our Men's Merino 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more.

  • Slim Fit
  • 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
  • Fit updated to improve functionality while enhancing aesthetics
  • Shoulder panels eliminate top shoulder seams
  • Flatlock seam construction designed to minimize chafing
  • 10' (25 cm) center front zipper semi-locking slider
  • Knit in Vietnam: 100% Merino Wool. Exclusive Of Decoration
  • Garment Weight: 298 g = 10.51 oz
  • Style: SW016355


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