One-pair pack. ; Crew sock length. ; Ultralight cushioning design offers maximum comfort in close-fitting shoes. ; Highly-breathable, temperature-regulating, odor-resisting merino wool knit blend. ; Supportive arch brace. ; Virtually seamless toe. ; 49% nylon, 48% merino wool, 3% elastane. ; Machine wash warm on gentle. Tumble dry low. ; Made in the U.S.A. from imported fibers.