Stay warm while you recover with the OOFOS OOcoozie Thermo Mule. Whether you are done with a winter run or skiing the slopes, these shoes are perfect to step into after activity. Not only are they super comfortable, but they aid in your recovery so you can get back out there tomorrow. The insulated uppers are basically blankets for your feet, while the design makes them super easy to slip on in the lounge or pack for your next trip. Details: Upper: Primaloft® hi-loft ultra insulation in a modern mule style will warm your feet up as you cool down from your winter activities.Midsole: OOfoam™ technology and the patented footbed absorb 37% more shock than other materials. The biomechanically designed footbed supports your arches and allows your feet to move naturally.