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 our 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. Features: Sock Height: Ankle Sock Cushion: Zero Cushion 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 Overall 3.25" height Made in the USA of Imported Yarn: 46% Merino Wool 26% Nylon 25% Recycled Nylon 3% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons.