So Danca TA86 Adult Taven Tap ShoeSo Danca TA86 Adult Taven Tap Shoe Adult Vegan Polytone Tap Shoe with Elastic Snaps The Adult Taven Tap Shoe is a lace up tap shoe with a man made leather upper, cushioned insole, full sole, and screwed on taps. PolyTone is the name for So Danca's proprietary precision engineered tap material, an injected polymer compound used in place of traditional metal taps. PolyTone is precision engineered for clarity, consistency, and control. The tonal response