Smartwool Classic Edition Extra Cushion Hiking Crew Socks - The 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." 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. Crew sock height Flat knit toe seam for additional comfort Elasticized arch brace for secure fit 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane Extra cushion Style: SW013100