Venetex 3-1 Average Size Dress Sock. The Venetex 3-1 is a cotton blend dress sock that stretches to provide as much expansion as needed yet will stay in position. It features a no elastic, non-binding comfort band, so it will not squeeze your legs, and will stay in position without causing discomfort. Therefore, recommended for people with swollen, sensitive, or sore legs, wide feet, and/or thick calves. 85% cotton/10% Nylon/5% lycra/spandex. This Venetex 3-1 is for the average size foot-sizes 6 to 11.