Sockwell Men's Ascend Crew Compression Socks 100% Other Fibers Made in US Moderate (15-20mmhg) graduated compression recommended for everyday wear for prolonged sitting- standing- travel- minimizes swelling of the feet- legs Promotes circulation, minimizes swelling, and helps reduce fatigue Accu-fit Technology consisting of Spandex throughout the sock ensures same fit at the end of the day as when it was first pulled on Alpaca blend adds additional durability and thermoregulation and ultra-light cushion sole provides comfort and great fit Offers arch support, turn welt top and Seamless toe closure with reinforced toe and heel box helps keep the sock in place throughout the day