Uppers made of fine natural breathable leather. Lightweight soles constructed of high-quality rubber, polyurethane and latex that retain flexibility;soles are highly resistant to erosion. Lower heel - 1 1/4". Fits slightly wider. Arch support helps distribute weight evenly. Arch support slightly less pronounced than other Naot collections. Removable and replacable Naot footbed. Uses Naots Allegro footbeds.