On - Explorer Merino Socks. Color Midnight/Cobalt. Low Stock. On sale for $20.96. MSRP $29.99.. 5.0 out of 5 stars1 left in stock+2Brand NameOnProduct NameExplorer Merino SocksColorMidnight/CobaltPrice$20.96MSRP: $29.99Rating5Rated 5 stars out of 5(1)