Concord has another lust worthy booster seat, the Transformer XT. The seat is designed to be used comfortably by children ages 3-12. This is accomplished by a hydraulic adjustment system.
Features * Group 2-3 child restraint - Suitable from 15 - 36kg * Headrest height and height and width of shoulder protectors are simultaneously and continuously adjustable at the touch of a button * Sit/recline inclination continuously adjustable at the touch of a button * Twinfix connectors extend at the touch of a button * Belt guide opens and closes at the touch of a button * Robust, double-walled safety shells in head and shoulder area * Closed shell shape provides optimum whole-body protection in the event of a side impact * Unique design with clear lines to suit all vehicle interiors * Covers featuring the TRIZONE concept: depending on the requirements either comfortable, breathable or hard-wearing
£225 and it's not available in the United States, but if you really want it there is always eBay.