Heat reflecting copper fibers help relieve symptoms of stress and aging. Known for its many beneficial properties, copper perfectly enhances the warm luxurious softness of alpaca. Best of all this style is machine washable and machine dryable for total easy care! Colorgrown Alpaca and Cotton (no dyes used) are organically produced and blended with Copper, then knit with Nylon and Lycra for shape. The Copper Crew Alpaca Sock is a great everyday sock. It is also excellent as a layering sock under a heavier boot sock. Content: A Colorgrown fabric (no dyes or bleaches used): 42% Undyed Alpaca / 40% Organic Cotton / 14% Nylon / 3% Copper / 1% Lycra. For the beneficial copper treatment, a copper ion additive is applied to the Nylon fiber as an anti-microbial treatment before yarn spinning Colors: From L to R in 2-row image: Oat, Granite, Black, Hickory, Silver. Black also shown on the side not in packaging. Sizes: Small 7-9 (small women and kids ages 8-12) Medium 9-11 (most women) Large 10-13 (most men) Extra Large 13-15 (men shoe sizes 12+) * Note: size numbers are sock sizes, not shoe sizes Why do socks and shoes have different sizing?..one of those weird garment industry things.... Please see our sizing chart to see the sock size for your shoe size. Suggested Care: Turn inside out, machine wash, tumble dry low.
