Coat and colours right|thumb|A blue merle Shetland Sheepdog thumb|A bi-blue Shetland Sheepdog with blue eyes, caused by the merle factor thumb|Blue Merle Shetland Sheepdog Shetlands have a double coat, which means that they have two layers of fur that make up their coat. The outer coat is made up of long hair and is "harsh-textured and straight". The undercoat is soft, short, and close to the skin. The long coat should produce the appearance of a mane. The face is smooth haired.
Coat and colours right|thumb|A blue merle Shetland Sheepdog thumb|A bi-blue Shetland Sheepdog with blue eyes, caused by the merle factor thumb|Blue Merle Shetland Sheepdog Shetlands have a double coat, which means tha.t they have two layers of fur that make up their coat. The outer coat is made up of long hair and is "harsh-textured and straight". The undercoat is soft, short, and close to the skin. The long coat should produce the appearance of a mane. The face is smooth haired