Thorlos Unisex TWD Western Dress Padded Over the Calf Sock Fiber Contents: 74% Exclusive THORLON acrylic, 21% nylon, 5% spandex Made in US Care instructions: For longer product life, maximum protection and comfort, wash and dry inside out (to fluff up the pads) using liquid fabric softener after each use (to lubricate the fibers for longer life). For optimal benefits, liquid fabric softeners are always recommended. Do Not Bleach. Wash Normal: 105F/40C. Dry Normal Medium. Do Not Dry Clean. Do Not Iron. Padding Level: Moderate Cushion Key Benefit: Thorlos Protection = Maximum Comfort Guarantee - Your feet will feel better or your money back! Proudly MADE in the USA | North Carolina Thorlos clinically-tested padding under the ball and heel provides maximum protection from friction, the primary cause of blisters, and impact protection where needed most Constructed with THORLON fibers for superior softness, resilience, durability, and moisture-wicking for drier, better feeling feet Cushioned instep and arch for a better fit, more support and less pressure on the feet for more comfort Low profile toe seam wont rub or irritate the feet and a wider toe box for better fit Spandex top holds in place and up all day