Advanced Memory Foam Microsuede Puffer ECO Comfort Clog Slippers. Closed-back silhouette. Cozy fleece lining. Enhanced heel cushion. Indoor/outdoor sole. 100% recycled polyester upper; Polyester lining. Gel footbed. Memory foam insole. Rubber outsole. Round toe. Slip-on. Flat sole. Machine wash. Imported. Men's Slipper Size - Medium - US 8-9/ EU 39-40/ UK 7-8, Large - US 9.5-10.5/ EU 41-42/ UK 8.5-9.5, Large - US 9.5-10.5/ EU 41-4/ UK 8.5-9.5, X-Larg - US 11-12/ EU 43-33/ UK 10-11, XX-Large - US 13-14/ EU 45-46/ UK 12-13.