Schwalbe's entry-level model now features a dynamic profile design. The attractive color variants are available for the first time in a comfort width of 25 mm. Schwalbe's minimum standard for protective belts, proven for many years. The belt is made of natural rubber and reinforced with Kevlar fibers. Together with the 50 EPI carcass, all Active Line tires are well protected against punctures. Skin refers to the texture of the sidewall. Twin: An additional rubber coating on the side protects against cuts and allows for an even coloration. A special filler in the rubber compound positively influences rolling resistance and grip in wet conditions.