Exclusively from Ames Walker, the finest in Opaque Nylon technology, the Style 291 Luxury Opaque Closed Toe Knee Highs! Clinically proven to help relieve ache of tired legs, mild varicose veins, leg swelling, and they're effective for post-sclerotherapy treatment. The 20-30 mmHg compression will circulate blood much better than what your body could do on its own while sitting or standing for long periods. Great value! Features: Firm Support compression, 20-30 mmHg Two-way stretch design provides extra comfort Opaque nylon provides easier application, and great comfort while wearing Reinforced heel and toe Made in the USA Fiber Contents: 75% Nylon, 25% Spandex Sold as a Pair