Jack & Jones DUDELY Mens Microfiber Mule Slippers in Castlerock. These slippers feature a polyester upper, lining, and rubber sole. They are a slip-on style with a round toe shape and a flat heel. Designed for comfort and warmth, they have a breathable design and a low top shaft height. The shoe width is regular and they weigh 0.43 KG. Product Code: 12170310-3307893.