Smartwool - Merino 250 Base Layer Color-Block Crew. Color Pewter Blue Heather. Low Stock. On sale for $51.75. MSRP $115.00.. 5.0 out of 5 stars1 left in stockBrand NameSmartwoolProduct NameMerino 250 Base Layer Color-Block CrewColorPewter Blue HeatherPrice$51.75MSRP: $115.00