Designed for distraction-free comfort on any run, these lightweight socks knit with merino wool and recycled fibers feature zero-level cushioning to keep you attuned to the road. Durable Shred Shield™ construction, targeted stretch and body-mapped mesh zones provide easy movement and essential ventilation whether you're powering through sprints or going long-haul to hit your miles. Pack of three pairs 4 Degree™ Elite Fit system features strategic stretch and mesh zones to promote ventilation and help prevent blisters Virtually Seamless™ Toe flat-knit construction helps prevent chafing Indestructawool™ technology enhances the durability of high-impact wear zones Merino wool/nylon/recycled nylon/elastane Merino wool naturally resists odors and helps regulate body temperature for comfort Machine wash, tumble dry Made in the USA of imported fabric