World's Softest Men's / Women's Sensitive Fit Comfort Feet Crew Socks Acrylic Soft Seam technology creates an ultra-smooth toe seam to help reduce rubbing and irritation. Accepted by the American Podiatric Medical Association. Helps with Circulation, Diabetic Feet, Diabetic Neuropathy, Edema, Foot Perspiration, Hyperhidrosis, Sensitive Feet, Swollen Ankles, Swollen Feet and Legs, Wide Calves Non-binding Soft Knit top adds 40% more cross stretch for a comfortable fit. Reinforced heel offers durability in high stress areas. Comfort fit design fits calves up to 18 inches. Thick, plush terry on the sole softly pads your steps. Moisture-wicking acrylic fibers keep feet cool, dry and healthy.