Saint Laurent's Billy ankle boots are constructed of black nappa leather. Made in Italy, this pair is designed with an ultra-chunky platform and a slightly flared heel. 5.5/140mm heel, 2.0/50mm platform (approximately). 6.75/17cm shaft, 10.25/26cm circumference (approximately). Rounded toe. Leather-covered platform and chunky heel. Oxidized silvertone hardware. Concealed side zip closure. Lined with leather. Leather sole. Available in Black. Made in Italy. Saint Laurent Women's Billy Leather Platform Ankle Boots - Black Size 11 A great designer gift. Shop Saint Laurent at Barneys New York.;Leather