FITS Business&ndash;Crew: Dress Socks Work, Made Solid Wool Everyday Wear Merino Wool, Nylon, Polyester, Lycra Made in USA FIT: FITS business socks are designed and manufactured in America with Full Contact Fit technology, keeping socks in place over the course of a day's wear. Get a pair of socks you'll feel comfortable leaving on at the end of the day. TRUE CREW: These dress socks rise just below the calf and feature a full-contact welt to avoid sagging. Comfortable snugness around the foot and leg ensures smooth wear with no bunching or slippage: the final word on the classic crew fit. BREATHABILITY: High-quality materials paired with advanced weaving technology wick away moisture, keeping you cool and fresh all day. Extend the life of your dress shoes and keep your feet healthy with these breathable FITS crew socks. COMPRESSION: The stretch fit design delivers mild compression during extended wear, increasing blood flow and promoting high energy levels. This also ensures that your socks stay in place so you don't have to adjust them all day. QUALITY: Feel the difference that comes from a blend of premium Merino wool and high-tech synthetic materials: 51% wool, 36% nylon, 9% polyester and 4% Lycra. Hand-selected fibers are at the heart of every quality woven garment.