Cybex Gazelle S Seat Unit From birth up to 22 kg (approx. 4 years). When the family grows bigger, the GAZELLE S can be changed from a Mono to a Sibling pushchair or used as a Twin pushchair by adding the second seat unit. Extending the pushchair and adding the Second Seat Unit is child’s play with a simple “Plug-and-Play” system using the integrated adapters (no additional kits needed). Features Ergonomic Lie-Flat Position: Ready for use from birth, the huge seat unit is robust, comfortable and can be adjusted with a one-hand recline to an ergonomic lie-flat position for even the smallest of babies. XXL UPF50+ Sun Canopy: Shield your child from the elements with an extendable XXL sun canopy made of UPF50+ protective fabric, featuring a mesh window for breathability and healthy air circulation on hot days. R​eversible: Whether forward-facing or parent-facing, the Gazelle Second Seat can be easily adjusted to the desired position in just a few simple steps. Second seat unit to be used in the upper position.