4-degree Fit System supports ankles, arches, insteps
Breathable mesh "zones" circulate air
ReliaWool Technology helps prevent holes in high-impact zones
Merino fibers wick moisture, control odor
Elastic in the blend prevents sagging and drooping
64% merino wool/34% nylon/2% elastane
Made in USA
What's this all a-boot?
Not only does SmartWool outperform cotton, it outperforms other wool! With SmartWool, there's no itching, no scratching - no shuffling around, just to appease irritated ankles or toes. Your feet don't sweat, they don't stink - best of all, they don't complain. SmartWool PhD Boot Socks have a 4 Degree Elite Fit system that uses two elastics to keep socks in place. With ReliaWool Technology in high impact areas for longer-lasting, always-comfortable protection.