This type is... the simplest... and the warmest, I think. The opening... The ankles are double-layered. This is... warm. On my page, there have been a fair number of purchases, but the color is... only this color is available now. Three pairs of the same color... dark brown. It's quite thick. Fleece-lined... Once you start using them... you won't be able to use other socks. Currently, Don Quijote (Donki) has something similar in stock. I'm selling them cheaper than Donki. Shipping is included, so it's a great deal. Please, there's a limited stock. I'm waiting for you. These are products from a sock specialty store. Set of 3 Fleece-lined Double-layered ankles Dark brown Thick Of course! The price includes shipping.