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

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

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


Out of Stock

Item No: 244332

Manf No: SW016355

Color: Deep Navy Color Shift
Size: Medium

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Product Info

Smartwool has updated the fit of their Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of their heaviest and best base layers for cold weather, this garment uses 100% Merino wool for warmth and breathability. It also features a flatlock seam construction to help minimize chafing and help keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more.

100% Merino Wool
Slim, Comfortable Fit
Odor-Resistant & Moisture Wicking Fabric 

Technical Features

  • Slim fit
  • 100% Merino Wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance.
  • Flat lock seam construction designed to minimize chafing
  • Fit updated to mprove functionality while enhancing aesthetics for a range of body shapes.

Smartwool Men’s Sizing

ChestWaist Hip InseamArm Length
Small36” - 38"29” - 31"36” - 38"30” - 31"31” - 32"
Medium39” - 41"32” - 34” 39” - 41"31” - 32"32” - 33"
Large42” - 44"35” - 37"42” - 44” 32” - 33"33” - 34” 
X-Large45” - 48"38” - 40"45” - 48"33” - 34"34” - 35"

Additional Details

Material100% Merino Wool 
CareMachine wash warm gentle cycle. Tumble dry low. Cool iron as needed. Wash with like colors. Do not dry clean. Do not bleach. Do not iron decorations. 
Warranty Information:

Smartwool has a Go Far. Feel Good.™ Guarantee for all of their products. Within 2 years of the purchace date, if any manufacturers decfects in materials or craftsmanship has occured, Smartwool will replace the product with no problem. By following their online claim at, a digtal gift card as reimbursement will be issued. 

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