Hat, 20th century, 28 x 9 3/4 in. (71.12 x 24.77 cm) (including tassels), Acrylic, cotton, Peru, 20th century, Chullos are popular among men and boys in the Andean highlands. Often worn under another hat, they provide extra warmth in the cool, thin air of the area around Qusqu (Cuzco), elevation 11,200 feet. Their distinct conical shape was influenced by the past practice of shaping the heads of babies and young children to communicate social rank, personal beauty or style, and community identity.