Feel-good footwear. Thanks to their Opticool technology, these men's Croft & Barrow socks deliver all-day comfort. 3-pack Over-the-calf design offers additional support Opticool technology offers a cooling finish for lasting comfort Moisture-wicking fabric blend keeps feet comfortable & dry Breathable design for air circulation Arch support offers stride-to-stride comfort Rayon blend offers superior softness FIT & Sizing Fits shoe sizes 7-12 Fabric & Care Rayon, polyester, spandex, rubber Machine wash Imported Color: Black. Gender: Male. Age Group: Adult. Pattern: Solid. Material: Nylon Blend.