This product is a collaborative design between Reef and Tipsy Elves, offering men's Christmas mule slippers in a navy blue color. The slippers feature a round toe shape and a slip-on closure for easy wear. They have a comfortable cotton upper material and come in a size US 9 (UK size 8, EU size 42). With a festive Christmas theme and the playful "Go Big or Go Home" slogan, these slippers are perfect for adding some holiday cheer to your loungewear collection.