- The primary materials that compose this product contain a minimum of 20 percent recycled content. - Find the coverage and comfort you crave on your hikes in the Smartwool® Hike Light Cushion Crew Socks 3 Pack. The Indestructawool™ technology offers extended durability zones, a 4 Degree™ elite fit system for a dialed-in, performance-oriented fit, and additional body-mapped mesh zones for added breathability. - Sold as a 3-pair pack. - Crew fit. - Virtually Seamless™ toe is designed for all day comfort and to minimize chaffing. - Light cushioning. - Comfort welt with 'stay put' fit. - 56% merino wool, 31% recycled nylon, 11% nylon, 2% elastane. - Machine washable. - Made in the USA.