Sockwell Women&rsquo;s Vibe Moderate (15-20mmHg) Graduated Compression Socks 31% Merino Wool, 31% Bamboo Rayon, 30% Stretch Nylon, 8% Spandex Made in US Moderate (15-20mmHg) Graduated Compression - Recommended for All day and every day wear; Prolonged sitting or standing; Flying and traveling; Exercise and recovery; Minimizes or eliminates swelling of the feet 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 Ultra-light cushion sole provides comfort and great fit in a Crew sock length 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 Moderate (15-20mmHg)-recommended for all day, everyday, Ideal for prolonged sitting, standing, flying and travel, minor swollen/tired feet and legs Seamless Toe Closure for Fit and Comfort Arch Support offers a Comfort Fit and Helps Keep the Sock In Place Spandex Throughout prevents slippage and ensures a snappy fit throughout the day