The North Face Men's Sz 11 Thermoball Traction Booties Mules Camp Slippers Camo Brand new with tags but no box. Warm and comfortable ThermoBall Eco insulation pairs with high-traction rubber outsoles to make these slip-on booties ideal for base camp, après ski, or shuffling through the snow to grab the morning paper. Upper| 100% recycled P.E.T. ripstop upper with a non-PFC durable water-repellent (non-PFC DWR) finish for added water repellency Easy on/off design Sole Unit| Outsole made with up to 20% recycled rubber ThermoBall Eco 100% recycled polyester insulation helps keep feet warm even when wet.