United Nude - Sharp Bubble Boot Mid (Blue) - Women's: A fresh and fashion-forward boot. Conceptually, this boot is a Mobius band where a single strip makes up the entire sole and heel of the boot. This concept for a shoe was found through transforming the frame of Mies van der Rohes' iconic Barcelona chair. Nylon upper. Drawstring adjustable top for the perfect fit. 16.5" shaft height and 17.5" calf circumference.
Category reference at Zappos.com:
Women's > Women's Dress > Dress Boots > Dress Boots - Pull-On