The Roll-Line Cushions are a fundamental part of a professionaal set of skates and must be always maintained for a maximum state of efficiency. Made with elastomer, they provide a quick and fluid responsiveness that permits a correct execution of edges. Constituted of an upper part (larger), and a lower part (smaller). NOTE: Make sure to order both UPPER & LOWER Cushions if you need a full set. *** Out of production - Available while stocks last *** - Roll -Line Urethane Cushion Kit - Material: Elastomer Urethane - Sold as 4pk (Upper & Lower set required for complete skates) - Upper Size: H 21mm / Ø28mm / Standard - Lower (Conical) Size: H 15mm / Ø28mm / Lowered - Lower (Flat) Size: H 15mm / Ø28mm / Step - Clear Green: Extra Soft - Grey: Soft - Clear Blue: Medium - Clear: Hard - Yellow: Extra hard