Dearfoams Warm Up Bootie Slippers A classic pulled straight from the 80s, the Warm Up Bootie was reimagined with a variety of modern comfort must-haves all while staying true to its nostalgic roots. The perfect gift for both those who owned the original and those obsessed with all things 80s, the Warm Up Bootie comes complete with signature no-sweat DF Adapt technology, over-the-top-soft lining, and machine washable designs for easy care and long-lasting freshness.