ALDO Flex: Meet our most flexible fit yet. Sustainable: Taking steps towards a more sustainable future. Zip Closure: These versatile booties have an easy pull-on design with side zipper at the ankle for easy on and off. Finest Quality: Made for all-year round wear, these women's booties are made with a cushioned insole that comforts feet from day to night. Block heel: This sturdy trend-right finish adds just-enough height to dressy and casual looks.