The Evenflo Chase LX Harnessed Booster features Evenflo's new ComfortTech for the most comfortable ride ever. ComfortTech is three unique, separate comfort layers alleviating pressure points as your child grows. Sporty style elements appeal to children, as will the integrated cup holders with flexible stripe design. The seat accommodates children ranging from 22 to 110 lbs. This combination booster provides an exceptional value for a seat with such a wide array of innovative features.