. Smartwool - Classic Hike Zero Cushion Liner Crew 3-Pack. Color Natural. On sale for $43.20. MSRP $48.00.. 3.5 out of 5 starsOnly on Zappos+2Brand NameSmartwoolProduct NameClassic Hike Zero Cushion Liner Crew 3-PackColorNaturalPrice$43.20MSRP: $48.00Rating4Rated 4 stars out of 5(4)