Graduated heavy strength 20-30 mmHg hosiery; Unisex opaque fabric; Conceals while it heals Toe-less design for breathability, easy patient inspection during recovery, increased comfort Silicone grip dot-top lining prevents rolling and slipping; Knit heel pocket keeps garment in place Crafted from durable hospital grade materials; Thicker medical weight yarns; Made in USA Use for varicose or spider veins, Edema, DVT, swelling, pregnancy, post surgery, blood circulation An Amazon brand This product was previously a NuVein product. Now it’s a part of the Amazon Basic Care Brand; the product is the exact same formulation, size, and quality.