Caston Curve by Billini is a staple long boot. Best selling boot Caston is now available in a Curve Fit ; made to fit you, as you are. Set on a manageable mid block heel, this versatile capsule wardrobe knee high boot will make a statment. Featuring; mid flare block heel closed square toe sits at knee height full length inner zipper closure inner elastic gusset for extra comfort closed heel counter heel height 7cm Measurements; Wide fit style, fits a C-E width - Designed to accommodate a more generous and comfortable fit for broader feet Our curve collection is suitable for calves between 40.9cm - 58.2cm and is also available in 11 & 12 shoe sizes. Wide-calf boots are designed with a wide fit. We recommend sizing down for the best fit. Find your perfect fit by referring to our Size Guide. Available in Chocolate and Black.