Durable and stretchy material: Made from thermoplastic elastomer(TPE),5mm thicker than ordinary rubber,till strong performance under -45°C.Easy to put on & off with adjustable strap.Won't tear or snap,ensure long lasting comfort and durability. Widely used and unisex: Suitable for male and female of any age including teenagers,adult,elders. Used on angled terrain,ice roads,icy driveway,mud and wet grass,dangerous sections of trail,etc.Great for trail running,hiking,and ice fishing. Flexible and pocket size: Suitable for various kinds of sports,hiking shoes,boots,mountaineering boots. The strap ensures more comfort and safety.Portable and lightweight,can be put into the carry bag included and will not take up much space.