- Slingback clog with adjustable straps. - Flexible sole with woodlike effect - padded sole - Heel 7,5 cm / 2,95 inch - Nubuk upper - Handmade in Italy Our clogs feature a cushioned polyurethane sole which makes them lighter and more comfortable than a traditional wooden-soled clog. The Calou sole flexes as you walk and absorbs shock. Our shoes are so comfortable in fact, that you can happily wear them all day long, even if you work on your feet!