These are our mid-weight flame stitch alpaca striped socks and the 1" elastic band is knit at the top of the sock.  These socks were designed by Mary Ann Weerts, our founder.  A good customer of ours wanted something that looked like a mountain so Mary Ann came up with this design.  This is a great trouser or leggings sock for work as this is a mid-weight sock.  These socks are soft, warm, and very comfortable yet lightweight, and not as thick in your shoe or boot.