Product Details Compression Level: Firm (20-30 mmHg). Lifestyle compression. Improves circulation to help minimize swelling. Relieves tired, achy legs. Great for travel. Great for being on your feet all day. Designed with graduated compression. Compression decreases gradually up the leg with maximum compression at the ankle to help promote healthy legs. Helps relieve symptoms of mild varicose veins. Helps prevent deep vein thrombosis (DVT). Durable, reinforced toe and heel. Comfort band ensure socks stay neat and in place. US Shoe Size: Large (10-1/2 to 12). Questions? 1-800-537-2191. www.futuro.com. Package is recyclable. Made in USA for 3M.