Versatile, sheer compression tights in a higher level of compression for those suffering with more advanced circulatory issues. Get the therapeutic benefits of higher grade compression, without the look of thick, medical support tights. Help fight symptoms of edema (swelling), varicose veins, chronic leg fatigue, DVT and chronic venous insufficiency, thrombosis, venous hypertension and postural tachycardia syndrome without compromising on fashion. Features reinforced heel & toe with large, roomy toe box that does not squeeze the toes, a cotton, ventilated gusset for hygiene, flat seams that do not dig into the skin and a soft, non-constricting top band. Same as the style P15, but these support tights are higher in compression level. 80% Nylon/20% Lycra 20-30 mmHg Graduated Compression Reinforced Heel and Toe Roomy Toe Box Cotton Ventilated Gusset Flat Seams Non-Constricting Top Band