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OrthoLite™ X-30 Sockliner: Step-in comfort from mile one
Vibram® XS Trek EVO outsole for durable traction
Underwire structure for individual breast support
Perfect for distance running
NITROFOAM™: Advanced nitrogen-infused foam designed to provide superior responsiveness and cushioning in a lightweight package
Run Zero Cushion Ankle Sock SIZE:M OrthoLite™ X-30 Sockliner: Step-in comfortLight, durable, and ready for the miles ahead, the Smartwool Run Zero Cushion Ankle Sock combines Merino wool comfort with performance driven design. Featuring Indestructawool durability, Shred Shield technology for reduced toe wear, and mesh zones for breathability, this sock is built to handle daily training runs. With a Virtually Seamless toe and a secure, performance fit, it delivers distraction free comfort with every step. Key Features Zero