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Product Info for Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's
We've updated the fit of our Men's Classic Thermal Merino 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![]()
Specifications for Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's:
| Manufacturer: | Smartwool |
| Sleeve Length: | Long Sleeve |
| Age Group: | Adults |
| Apparel Fit: | Slim |
| Gender: | Male |
| Application: | Baselayer Top |
| Fabric/Material: | 100% Merino Wool |
| Weight: | 10.51 oz |
| Fastener/Closure Type: | 1/4 Zip |
| Fire Resistant: | No |
Features of Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's
- Our slim fit is intended to follow the contours of the body
- Fabric helps combine the moisture management, temperature regulation, and odor resistance of 100% Merino wool with interlock knit for comfort
- Flatlock seam construction and offset shoulder and side seams designed to help increase comfort and minimize chafing
- Side seams wrap to front
Package Contents:
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's
Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's Orderable Models
List of Orderable Models
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Black, Small, SW002821001100S000 , MPN: SW002821001100S000 , UPC: 197642257883 , Code: STW-AT1-SMRT29-SW002821001100S000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Black, Medium, SW002821001100M000 , MPN: SW002821001100M000 , UPC: 197642257838 , Code: STW-AT1-SMRT29-SW002821001100M000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Black, Large, SW002821001100L000 , MPN: SW002821001100L000 , UPC: 197642257807 , Code: STW-AT1-SMRT29-SW002821001100L000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Black, Extra Large, SW00282100110XL000 , MPN: SW00282100110XL000 , UPC: 197642258071 , Code: STW-AT1-SMRT29-SW00282100110XL000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Charcoal Heather, Small, SW002821010100S000 , MPN: SW002821010100S000 , UPC: 197642257906 , Code: STW-AT1-SMRT29-SW002821010100S000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Charcoal Heather, Medium, SW002821010100M000 , MPN: SW002821010100M000 , UPC: 197642257678 , Code: STW-AT1-SMRT29-SW002821010100M000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Charcoal Heather, Large, SW002821010100L000 , MPN: SW002821010100L000 , UPC: 197642257654 , Code: STW-AT1-SMRT29-SW002821010100L000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Charcoal Heather, Extra Large, SW00282101010XL000 , MPN: SW00282101010XL000 , UPC: 197642257937 , Code: STW-AT1-SMRT29-SW00282101010XL000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Deep Navy, Small, SW002821092100S000 , MPN: SW002821092100S000 , UPC: 197642258002 , Code: STW-AT1-SMRT29-SW002821092100S000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Deep Navy, Medium, SW002821092100M000 , MPN: SW002821092100M000 , UPC: 197642257845 , Code: STW-AT1-SMRT29-SW002821092100M000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Deep Navy, Large, SW002821092100L000 , MPN: SW002821092100L000 , UPC: 197642257814 , Code: STW-AT1-SMRT29-SW002821092100L000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Deep Navy, Extra Large, SW00282109210XL000 , MPN: SW00282109210XL000 , UPC: 197642258088 , Code: STW-AT1-SMRT29-SW00282109210XL000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Mink Heather, Small, SW002821P85100S000 , MPN: SW002821P85100S000 , UPC: 197803730972 , Code: STW-AT1-SMRT29-SW002821P85100S000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Mink Heather, Medium, SW002821P85100M000 , MPN: SW002821P85100M000 , UPC: 197803730927 , Code: STW-AT1-SMRT29-SW002821P85100M000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Mink Heather, Large, SW002821P85100L000 , MPN: SW002821P85100L000 , UPC: 197803730675 , Code: STW-AT1-SMRT29-SW002821P85100L000
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, Mink Heather, Extra Large, SW002821P8510XL000 , MPN: SW002821P8510XL000 , UPC: 197803731016 , Code: STW-AT1-SMRT29-SW002821P8510XL000
Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's Unavailable & Discontinued Models
List of Unorderable Models
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, K48 North Woods Heather, Small, SW016355K48S , MPN: SW016355K48S , UPC: 196011489351 , Code: STW-AT1-SMRT29-SW016355K48S
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, K48 North Woods Heather, Medium, SW016355K48M , MPN: SW016355K48M , UPC: 196011489412 , Code: STW-AT1-SMRT29-SW016355K48M
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, K48 North Woods Heather, Large, SW016355K48L , MPN: SW016355K48L , UPC: 196011489511 , Code: STW-AT1-SMRT29-SW016355K48L
- Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's, K48 North Woods Heather, Extra Large, SW016355K48XL , MPN: SW016355K48XL , UPC: 196011489610 , Code: STW-AT1-SMRT29-SW016355K48XL