*Soft merino wool provides comfort for all seasons. *Cushioned throughout and reinforced from heel to toe for maximum comfort and durability. *Fibers in foot bottom wick moisture and maintain cushion. *Vented panels in foot bottom for breathability. *Arch support for better fit. *Smooth toe seam for added comfort and better fit. *72% Merino Wool, 27% Nylon, and 1% Elastane. *Made in USA with imported Merino Wool. Care Instructions: Turn inside out, machine wash warm , use non-chlorine bleach, and tumble dry low.