8-15 mm/Hg Compression (The mean compression for an average ankle size). Doctor recommended for tired, achy legs. Futuro Mild Support Trouser Socks take you beyond everyday support. Our medically proven graduated compression knitting technology energizes your legs and helps relieve discomfort from tired, achy legs, varicose veins, and slight ankle swelling. Ideal for every day, especially when you are standing or sitting for long periods, walking or traveling. Relief: You will feel invigorated as our graduated compression technology applies the right amount of pressure to your legs where they need it most, encouraging healthier blood flow and increasing circulation. It's like a gentle massage all day long. Comfort: Designed using fine materials and three-dimensional knitting, you will experience outstanding comfort and fit. Reliable, soothing support allows you to stay active with confidence and do the things you want to do with pleasure and ease. Style: Our hosiery incorporates all of the attractive features of fine fashion hosiery, while revitalizing your tired, achy legs. Finally, a contemporary look and feel with the effective support you need. Maximum compression at the ankle decreases gradually up the leg. Average Sizing Selection Chart: Shoe Size 4-5; Regular Hose Size 8-1/2 - 9; Futuro Hose Size Small. Shoe Size 5-1/2 - 7-1/2; Regular Hose Size 9-1/2 - 10; Futuro Hose Size Medium. Shoe Size 8 - 10-1/2; Regular Hose Size 10-1/2 - 11-1/2; Futuro Hose Size Large. Futuro Women's Mild Support Trouser Socks provides all of the benefits of graduated compression wit the features and styling of fashionable socks. Great for home of casual business. Opaque material for fashionable look. Soft texture for ultimate comfort. Attractive, wide band to prevent slipping and binding. Designed for maximum durability.