NWOB A look you can master: the sock boot trend. Our Calexa Sock Bootie is a stacked heel that provides complete comfort and maximum style. Make room in your closet for this stretch bootie as a sought after staple, that will elevate your look. Heeled Stretch Sock Bootie Closure: Slip On Toe: Almond Toe Heel Height: 4 inches Material: Stretch Velvet, Stretch Satin, or Stretch Tulia Insole: Synthetic Color: Blue Grey Velvet