Keep your stride on point as you take to the streets in this Smartwool® running sock. Sold as a three-pair pack. Micro sock is comparable to no-show sock, and sits below the ankle. Lightweight cushioning for optimized comfort without the added bulk. 4 DEGREE™ ELITE FIT SYSTEM features bi-elastic fit bands that provide faster flex and recovery at the ankle, instep, and arch. RELIAWOOL® technology delivers long lasting wear. Strategically-placed mesh vents for temperature and moisture management. Virtuously seamless toe construction. 51% merino wool, 46% nylon, 3% elastane. Machine wash cold on gentle. Tumble dry low, lay flat, or line dry. Made in the U.S.A. from imported yarn.Keep your stride on point as you take to the streets in this Smartwool® running sock.