Shetland sheep are a solid and hardy breed of sheep from the Shetland Islands. The extreme weather conditions  today reminds me how amazingly adaptable they are to their environment.  The rough grazing on  Fair Isle has resulted in the breed being super resilient.  They can be kept outside year round, without the need for winter housing. The wool of Shetland sheep is highly prized. It is, perhaps most famously, used to make Fair Isle sweaters.