The North Face Yellow Thermoball Traction Mules

UPPER: Upper made with 100% recycled P.E.T. ripstop with a non-PFC durable water-repellent (non-PFC DWR) finish for added water repellency ThermoBall™ 100% recycled polyester insulation helps keep feet warm even when wet Oso fleece collar lining for added comfort Collapsible heel with elastic side panels for easy on/off SOLE UNIT: Outsole made with up to 20% recycled rubber Upper - Textile, Lining and Sock - Textile, Sole - Other Materials.