Gel flat shoe solutions from Scholl | Suns of scholl Gelactiv for flat shoes: the technology Scholl Gelactiv focuses on the use of a soft and elastic gel core that makes even the most vertiginous heels as comfortable as any pair of sneakers | Sole suitable for narrow-cut flat shoes such as ballerinas | Show off your feet in summer: suitable for sandals, ballerinas and flat shoes | All-day cushioning, easy to wear: specially designed to reduce plantar pressure, the insoles Scholl They have a thin design that is not only imperceptible, but also prevents toe compression. Anti-slip technology: the grippy material and small reliefs on the surface of the insoles prevent slipping even when sweating. Protection in your daily life: the technology Scholl Gelactiv offers protection for your feet, for every phase of your day.