That's right - that's a sweater made from handspun labrador hair, made by Patty Lee.
Chiengora (pronounced she-an-gora) is the name people are using for dog hair. Chien is French for dog and gora is from angora, the fiber the hair most closely resembles. Dog hair is now considered a luxury fiber along with mohair and cashmere (goat hair), and angora (Rabbit hair).
Checkout other clothes Patty made from dog hair: Link (via Look at This)