The Superfeet Premium Insole Copper DMP Foot Support Memory Foam Molding Sole-C is designed to provide superior comfort and support for adults with UK shoe sizes 4-5.5. This insole is made with a combination of memory foam and Superfeet's patented Dynamic Memory Foam (DMP) technology, which helps to reduce shock and provide cushioning for the entire foot. The insole also features a deep heel cup and arch support to help stabilize the foot and reduce fatigue. The copper-infused top layer helps to reduce odors and bacteria, while the low-profile design fits easily into most shoes. The insole is easy to use and can be trimmed to fit any shoe size. With its superior cushioning and support, the Superfeet Premium Insole Copper DMP Foot Support Memory Foam Molding Sole-C is the perfect choice for those looking for a comfortable and supportive insole.