Meet Avionaut Max Space Comfort System+ -
High Back Booster suitable from 100cm to 150cm (approx 4 years to 12 years)
Developed with AGR - for healthy back and spine approval. Complete comfort for the child and helps support their bones as they are growing
Adjustable headrest which can be positioned correctly using the eye level indicator
Shoulder belt guide for optimal belt positioning
Leather effect arm rests 
Additional side impact protection
Deep seat allows for growing room
Lumbar support on the childs back which can be moved up as they grow
Behind the neck support and cushioning
Recline feature
Isofix fitting but is optional
Ergonomic seating area
 
In addition to protecting against many types of threats a child can face during travel, a perfectly chosen car seat also provides adequate support for the back. Such protection is ensured by MaxSpace Comfort System +.