Athletic Socks by Smartwool. Details:Our 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.