Every day men's casual style from Hush Puppies, the Aaron is a super comfortable slip on. Built with ZeroG super-lightweight materials, this outsole keeps your feet at ease all day long. With memory foam and padded collar for even more comfort ZeroG: Built with super-lightweight materials, this outsole keeps your feet at ease all day long. Real Leather Upper Memory Foam Comfort Insole Slip on style Padded collar for extra comfort Hardwearing Phylon unit Twin elasticated gussets for easy on and off