CUSH BOOTY is different than a standard slipper - it's a sleeping bag for your feet!™ With soft nylon uppers, cozy insulation, elasticized lockable ties and durable nylon bottoms - CUSH BOOTY is ideal for around the house or when traveling. Equally comfortable on planes, runs to the mailbox and on winter camping adventures, CUSH BOOTY marries indoor comfort with outdoor lifestyle.