• Made of microfiber leather and high-quality sponge for a breathable and skin-friendly experience. • Mesh outer design that provides extra comfort and keeps feet securely in place. • Reduce friction between the foot and the shoe to prevent blisters and decrease fit pressure. • Self-adhesive back with strong adhesive that ensures they stay in place all day long. • Compatible with most footwear such as boots, running shoes, leather shoes, sports and casual shoes. • Ideal for both men and women and suitable for new or slightly large shoes.