Experience cozy comfort with The North Face Women's Thermoball Slipper, crafted from 100% recycled P.E.T. ripstop fabric and treated with a durable, non-PFC water-repellent finish. Its slip-on design features a collapsible heel and a soft Oso fleece collar lining for a snug fit. Inside, Thermoball™ insulation made from 100% recycled polyester keeps your feet warm, while the outsole incorporates up to 20% recycled rubber for reliable traction.