SLIMWALK Compression Graduated Compression Design The compression decreases as it goes up from the ankles with Graduated Compression Design . With graduated tightening to lift the legs to some extent, the blood that accumulates underneath will more easily flow back to the heart it reduces lymphatic and improves blood circulation caused by Edema. Effectiveness: Reduce edema in the legs Improve lymphatic flow Improve blood circulation SLIMWALK Compression Night Socks Above Knee (PH306 PH307) Four-section compression design that take good care of your entire leg at the base of the thigh. Graduated pressure design (ankle 21 hPa, calf 16 hPa, thigh 11 hPa, the base of the thigh 9 hPa). Designed to firmly support and lift the hip, inner thighs, and knees. Comfortable, soft, firm and tight from ankle to waist. Fits and clings well to gentle skin Cooling fabric, specially designed for summer and hot weather Authorised distributor: Ascenshoppe Made in Japan