Smartwool&';s Classic Hike Extra Cushion Crew sock features a dense cushion for adventurers who need more padding in their favorite hiking shoe or boot. This "go far. feel good.(TM)" originator is getting an eco-friendly makeover thanks to recycled nylon and responsibly sourced Merino wool, but still offers the unmatched comfort it did in 1994. Elevate every hike with this cozy, capable classic. Features Sock Height: Crew Flat knit toe seam for additional comfort Smartwool&';s first sock construction, only now featuring recycled nylon (content varies by style) Elasticized arch brace for secure fit Knit in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane