Doona X is the new generation of the Doona Car Seat & Stroller. Now with 3 recline positions - Sit, Relax and Lay Back, Doona X allows your child to lie down and relax. With its integrated, adjustable harness and headrest, the Doona X meets the European i-Size safety regulation (R-129). The patented shock absorbers and smooth-release system offer a smoother and safer ride than ever.The Doona X comes with the Doona SIP add-on, providing enhanced side-impact protection.