About the brand: Christian Louboutin. Elegance, technical proficiency, and that signature red sole. Please note: Size selections are European. For US conversions, please reference size chart. Based on feedback from Members, this brand typically runs small and narrow. We suggest sizing up a half to full size for most styles. Sizing up won't increase the width of the toe box, however. Made in Italy Loubirain 70 PVC Boot in blue PVC and silver-tone hardware with spike embellishments and pull-on tab Lightly padded insole Rubber sole with traction 3.5in heel 8.5in shaft 13in boot circumference Please note: All measurements are approximate and were taken from a size 37; slight variations may occur. Our products are 100% genuine. In some cases we purchase merchandise from trusted independent suppliers and not directly from the brand owner. In all cases we stand by the authenticity of every product sold on our site.