• High-quality materials: replacement soles made of short plush and polyester fibers, durable and resistant to deformation, easy to clean. • Skin-friendly short hair lining, keeps feet cozy and warm even on the coldest days. • Retains heat and absorbs up to 70% of body heat, perfect for colder days. • All-day comfort, ideal for prolonged use, a popular choice for those seeking exceptional comfort. • Easy installation: place the insole in the shoe and press firmly, with holes to attach to the outer rivet. • Multipurpose use: perfect for winter, suitable for a variety of perforated footwear both indoor and outdoor.