joolz aer vs cybex libelle Cybex

As the lightest ultra-compact stroller in the CYBEX line, the Libelle is designed for everyday adventures. With one of the smallest folds in the world, the Libelle folds into a space-saving package that’s carry-on compliant and easy to store in planes, trains, or cars. Lightweight enough to make carrying a breeze and comfortable for children on the move, the Libelle helps parents make the most out of their journey.

Features:
Ultra-Compact Fold: Folds into an ultra-compact, self-standing package in seconds for easy storage
Carry-on Compliant: Folds small enough to carry on an airplane*
Lightweight: Weighs only 13.7 lbs.
Travel System Ready: Attach any CYBEX infant car seat to the frame to create a convenient travel system using included adapters
Smooth Front Wheel Suspension: Provides steady handling and a comfortable ride
One Hand Adjustable Recline: Including a near flat position for customized comfort
Adjustable Legrest: Supports comfortable and ergonomic sitting and lying positions
XL Sun Canopy: With UPF 50+ rating to protect your child from the sun
Includes: Car seat adapters
Accessories Sold Separately: Travel bag, bumper bar, rain cover, summer seat liner
*Airline luggage and carry-on allowances may vary, and are subject to change. Please check airline websites prior to departure.

Tech Specs:
Age: Suitable from birth (with the use of an infant car seat, sold separately) to approximately 4 years
Weight: Maximum child weight of 55 lbs.
Functions:

Infinite Recline
Adjustable Legrest
Smooth Front-wheel Suspension

Dimensions
Open: 28.7" x 20.5" x 40.9"
Folded: 12.6" x 7.8" x 18.9"
Weight: 13.7 lbs