Bottega Veneta's 'Blink' mules are made using the label's iconic 'Intrecciato' technique which involves weaving strips of leather together, reinforcing the material and creating a unique finish. They have a gently twisted foot strap and fluted 85mm heels.Lower-Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our NET SUSTAIN criteria here.