Piranhas¡¯ reputation precedes them. These feisty South American fish are notorious for their sharp teeth, fierce demeanor, and outsized appetites. Add a little extra aquatic bite to your sock wardrobe and attack your day in style. Contents: 65% cotton, 33% nylon, 2% spandex. Fits approximate men's shoe sizes 7¨C13 and Women's Shoe Size 10.5+.?