A subtly textured knit enhances the performance of firm-compression socks made in part with merino wool that naturally regulates moisture and temperature. Graduated compression maximizes circulation and reduces fatigue and swelling, while lightly cushioned soles and built-in arch support put superior comfort underfoot whether you're sitting, standing, walking, exercising or flying. 20–30 mmHG graduated compression Chafe-free seamless toe construction Merino wool/rayon/stretch nylon/spandex Merino wool naturally resists odors and helps regulate body temperature for comfort Machine wash, tumble dry Made in the USA