Smartwool Women's Classic Thermal Merino Base Layer Colorblock 1/4 Zip Smartwool Sale! from $125.00 Color A41 Blk Charco Size XS S M L Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Smartwool Womens Classic Thermal Base Layer 1/4 Size Guide SKU: SW016687|A41 BLK CHARCO|XS Tweet