Amazon.com | RockDove Men。Men’s Size M8-9 Weatherproof Nylon Puffer Slippers Collapsible Back,Black. Features : ADJUSTABLE SILHOUETTE: The unique silhouette of this house shoe allows you to wear either a slip-on with no back, or have a full slipper back to keep your foot inside. Simply change your slipper fit depending on your activity. They are ideal for working from home, hanging out with your family, or relaxing outside. PUFFER MATERIAL: The nylon exterior of this slip-on style will remind you of a windbreaker jacket. It is sporty, comfy, and outdoorsy all at the same time. With this non-fuzzy material, you do not have to worry about your feet sweating too much. COMFORT FIT: This classic slipper style is made ultra-comfy with its cozy lined interior and adjustable back. Also, the sturdy anti-slip gripped soles will ensure you can run around with ease. Stay comfortable all day and night long in these Weatherproof camping slippers.