Relaxsan Prestige 870F - 15-20 mmHg moderate support hold up stockings with Lycra 3D technology 65% nylon, 35% elastan 15-20 mmHg medical support hold ups stockings (1 pair) - Extremely long-lasting thanks to Lycra 3D technology. Moderate graduated compression of 15-20 mmHg - It improves blood circulation, reduces ankle swelling and soothes tired and aching legs. Recommended for mild swelling and varicose veins, mild chronic venous insufficiency, and heavy, fatigued legs. With hypoallergenic silicone lace top bands and reinfrced heels and toes - Maximum comfort and perfect fit High quality, 100% Made in Italy - For CORRECT SIZING, refer to the SIZE CHART among IMAGES.