Smartwool - Merino 250 Base Layer Color-Block Crew. Color Pewter Blue Heather. Low Stock. On sale for $57.50. MSRP $115.00.. 5.0 out of 5 stars1 left in stockBrand NameSmartwoolProduct NameMerino 250 Base Layer Color-Block CrewColorPewter Blue HeatherPrice$57.50MSRP: $115.00