Propet Cronus Slipper (Men) - BlackUse this as a comfy nighttime relaxation slipper, as an option for post op recovery, or for someone who's less ambulatory, but still needs some protection for their feet. The top and heel open completely for easy on and off and the soft, stretchy neoprene upper is perfect for sensitive feet. The perfect nighttime comfort slipper or option for the post op patient Neoprene upper and lining with wide opening at top of foot and heel for easy entry