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. Style Number: SW000011 51 percent merino wool, 46 percent nylon, 3 percent elastane. Machine wash cold on gentle. Tumble dry low, lay flat, or line dry. Made in the USA and imported.