From Polo Ralph Lauren Big & Tall, this 6-pack of socks features: Half cushion Flat toe seam Signature embroidered "Pony" Antimicrobial treatment Reinforced heel and toe Moisture management Arch support One size fits most men's shoe sizes 13-16 Recycled polyester/spandex (exclusive of decoration) Machine Wash Cold, Inside Out. Only Non-Chlorine Bleach When Needed. Tumble Dry Low. Do Not Iron. Imported.