The kidfix xp sict is a highback booster seat that goes beyond legal safety standards our xp pad offers unique frontal impact protection for older children combined with superior side impact protection that doesnt compromise on space for other passengers this highly flexible seat offers the highest levels of safety from 15 kg to 36 kgproduct highlightsreduced frontal impact xp pad diverting up to 30 source britax tests 2013 of energy forces away from necksuperior side impact protectio