On - Explorer Merino Socks. Color Midnight/Cobalt. Low Stock. On sale for $19.67. MSRP $29.99.. 5.0 out of 5 stars1 left in stock+2Brand NameOnProduct NameExplorer Merino SocksColorMidnight/CobaltPrice$19.67MSRP: $29.99Rating5Rated 5 stars out of 5(1)