If you thought Merino wool’s benefits—including comfort, breathability, and odor resistance—were great, you’re gonna love what else this sock brings. With the Men’s Run Zero Cushion Ankle Socks, you also get Shred Shield™ technology to reduce wear from toes, mesh zones for enhanced breathability, a Virtually Seamless™ toe for enhanced comfort, and Indestructawool™ technology for extended durability. When you’re ready to put in mile after mile of training runs, this sock will bring the comfort and durability goods. Indestructawool™ technology with extended durability zones 4 Degree™ elite fit system for a dialed-in, performance-oriented fit Mesh zones for added breathability Shred Shield™ technology reduces wear from toes Virtually Seamless™ toe for enhanced comfort 3.25" heightWeight: 0.032 kgsComposition: 46% Merino Wool, 26% Nylon, 25% Recycled Nylon, 3% ElastaneCountry of Manufacture: United StatesCare Instructions: Machine Wash Warm, Inside Out Do Not Bleach Tumble Dry Low Do Not Iron Do Not Dry Clean No Fabric Softener Non-bio detergent Smartwool Men's Run Zero Cushion Ankle M Grey 052 SW001653