In short: The Joolz Day 5 is a 2-in-1 pram with a spacious bassinet and a reversible seat – ideal for everyday walks from birth. The Joolz Aer² weighs just 6 kg, folds with one hand in one second and fits in the overhead cabin as carry-on luggage. Choose the Day 5 for everyday comfort and the Aer² for travel and city life.
Author: Eva Birsa, mum and co-founder of Evitas · Updated: 27 September 2026
Choosing a stroller is one of the biggest decisions parents make before their baby arrives. We want practicality, comfort and good looks, and the stroller also has to be easy to use every day. Dutch brand Joolz is known for thoughtful design, quality and a sustainable approach. Here we compare two models that suit different needs: the Joolz Day 5 and the Joolz Aer².
Joolz Day 5 vs Joolz Aer²: comparison
| Feature | Joolz Day 5 | Joolz Aer² |
|---|---|---|
| Type | 2-in-1 pram (bassinet + seat unit) | lightweight travel stroller |
| Weight | 12.5 kg with bassinet (chassis 5.6 kg) | 6 kg |
| Fold | quick and easy; stands upright when folded | one hand, one second; self-standing with a carry strap |
| Folded size | 66.5 × 60 × 34 cm (without seat) | 45 × 53.5 × 21.5 cm (IATA compliant, cabin luggage) |
| Age | bassinet from birth to 9 kg; seat from 6 months to 22 kg or 4 years | from birth with the optional foldable cot (sold separately); seat up to 22 kg |
| Best for | daily walks, town and countryside, the first months | travel, flights, car trips, busy city streets |
| Warranty | lifetime when registered within 6 months | 10 years, transferable, when registered within 6 months |
Joolz Day 5 – comfort from day one
The Joolz Day 5 is made for parents who want the perfect mix of comfort, style and functionality.
- Spacious bassinet in hypoallergenic Tencel-Lyocel™ fabric that helps regulate your baby's body temperature.
- Reversible seat with six positions (three parent-facing, three world-facing) and a fully flat recline.
- Any terrain: four-wheel suspension, one-hand steering and a height-adjustable handlebar.
- Extra-large shopping basket holding up to 10 kg, plus a UPF 50+ canopy.
- Travel system: with adapters (sold separately) you can click on an infant car seat such as the Cybex Aton or Maxi-Cosi Pebble. Read our guide How to choose a car seat.
Joolz Aer² – your lightweight travel companion
If the Joolz Day stands for comfort, the Joolz Aer² stands for freedom and mobility – perfect for families always on the go.
- Featherlight: just 6 kg, so travelling by car, plane or train is easy.
- One-hand, one-second fold into a compact, self-standing package you can carry over your shoulder.
- Cabin luggage: at 45 × 53.5 × 21.5 cm it meets IATA standards for overhead lockers.
- Compact yet comfy: patented backrest supporting neck and head, 5-point harness and UPF 50+ canopy.
Why choose Joolz?
- Sustainable design: Aer² fabrics are made from 100% recycled plastic bottles, and Joolz plants a tree for every stroller sold.
- Ergonomics: designed for parents and children – less effort for you, more comfort for your little one.
- Long-term value: both models are rated up to 22 kg, and registration extends the warranty.
Which stroller is right for you?
If you want comfort, a roomy bassinet and daily use from birth, go for the Joolz Day 5. If light weight, travel and a quick fold matter more, the Joolz Aer² is the one. Many families have both: the Day 5 for home and walks, the Aer² for holidays and flights. Browse the full Joolz range or other lightweight strollers.
Read also: How to choose a stroller in 2026 and Cybex strollers compared.
FAQ
Which is lighter, the Joolz Day 5 or the Joolz Aer²?
The Joolz Aer² weighs 6 kg. The Joolz Day 5 weighs 12.5 kg with the bassinet, and the chassis alone is 5.6 kg.
Is the Joolz Aer² suitable for newborns?
Yes, with the optional foldable cot sold separately. The seat unit can be used up to 22 kg.
Can I take the Joolz Aer² on a plane as hand luggage?
Folded, it measures 45 × 53.5 × 21.5 cm, which meets IATA standards for overhead lockers. Airline rules vary, so check with your carrier before you fly.
Can I attach a car seat to the Joolz Day 5?
Yes, with adapters sold separately you can fit compatible infant car seats (e.g. Cybex Aton, Maxi-Cosi Pebble, Nuna Pipa). The full list is in the product description.
Up to what age can the Joolz Day 5 be used?
The bassinet from birth to 9 kg, and the seat from 6 months to 22 kg or 4 years.
