Gaiter for running shoes by La Sportiva are designed to improve running comfort. Protects your feet against mud and stones. Of course, water resistance and stretch fabric. Compatibility with all La Sportiva running shoes. Size S: measured unzippered gaiter - upper circumference - 21 cm, lower circumference - 34 cm (closed - 10 cm and 17 cm). Size L: measured unzippered gaiter - upper circumference - 25 cm, lower circumference - 38 cm (closed - 12 cm and 14 cm).