"I love a chunky gray biker boot for fall," says Rachel Zoe, stylist to the stars. "Mix these with jewel tones, burnt oranges and olives. They?re a great alternative to black." - Miss Sixty Nadia Boot Pull-on platform boot Biker boot inspired Buckle detail 4 1/4" heel, 1" platform Leather lining Synthetic outsole 15 1/2" shaft, 15" circumference Upper: 100% leather Enjoy free shipping and free returns.