The Tessa is a snug ankle boot with flexible sweater material that accommodates your movements to maximize comfort. The side-zip provides easy on/off wear making it great for casual Fall days. The Aetrex Orthotic System is Built-In to every pair: • Arch support helps to stabilize and align feet • Arch support helps to relieve common foot pain & plantar fasciitis • The memory foam foot-bed provides cushioning & comfort Details: • Adjustability: None • Upper Material: Nubuck with cozy sweater detailing • Midsole Material: Lightweight cork and rubber • Removable Insole: None • Heel Height: Flat