Universal Thread Jenna Platform Boot with Memory Foam Insole Color White Retail $40 Be prepared for all the seasonal events with these Jenna Platform Boots from Universal Thread™. Complete with a smart 3.5-inch block heel and a classic round-toe front, these ankle boots feature a memory foam insole and soft lining for comfortable walking. Plus, the side zipper makes for easy on and off. Simply pair with anything from midi dresses to jeans and a button-down for a classic finish every time. Universal Thread™: The denim collection that's true to you.