Size M (23-28cm), two pairs in stock. Please let me know how many you would like to order in the comment section before purchasing. * Protects you from falls on icy roads. * Effective on icy and hard-packed surfaces. 10 pins per foot, 20 pins in total, provide solid protection. * Simply hook onto your toes and heels to put them on. Size S (20-24cm) is also available. Bundling is possible, so please feel free to consult in the comments.