Make the right choice for you and the planet. Your favorite isotoner slippers are going green with recycled fabrics you can feel good about. Our Heather Knit Marisol boots featuring adorable sherpa cuff, warm fleece lining, and memory foam that molds to your feet for the perfect fit. And if you need to venture outdoors, the versatile indoor/outdoor sole is ready, from the end of the driveway to the grocery store. Care instructions: Machine wash in cool water, dry flat away from heat.