Realtree AP Socks are crafted of 30% acrylic, 30% ultraspun polyester, 20% wool, 17% nylon and 3% spandex. Fits men's shoe size 9-13 and women's shoe size 9-12. These socks feature Ultra-Dri moisture wicking enhanced performance for cooler, drier comfort. One brown pair and one olive pair. Made in the USA.