THE NORTH FACE NUPTSE MULE SHOE - WOMEN'SDurable and insulated with 550-fill down, the warm, cozy Women's Nuptse Mule will be your shoe of choice from fall to spring.FEATURESWebbing pull loops at the heel and instep for easy on/off100% of the virgin down used by The North Face(R) is certified to the Responsible Down Standard (RDS) by Control UnionUpper| 100% recycled P.E.T. ripstop upper40% recycled rubber outsole550 fill goose downSole Unit| Durable rubber outsole for protection whether you're inside or outdoorsFoldable-heel design allows you to wear it as a muleTECH SPECSStyle: NF0A5G2BApprox Weight ( 1/2 Pair): 7.3 Oz (206.95 G)