J.Crew Millie T-strap heels in metallic leather Like new. Some wear noted in photos. Color: Silver Mirror Size: 9 50mm heel. A day-to-night take on our most sensible party shoe silhouette... - updated with a vintage-inspired T-strap that's chic and secure. Plus, it's finished with a lower block heel for all-day-long wear. Synthetic upper and outsole. Made in Morocco. BT988