Jane Muum-4 Trio Koos Travel System

Lightweight Pram with i-Size Car Seat from Birth to 22kg

Introducing the Jané Muum-4 + Sweet Carrycot + Koos iSize R1 Travel System – a stylish and practical 3-in-1 pram bundle designed for seamless mobility from newborn to toddler.

The Jané Muum-4 Trio Travel System combines iconic design with everyday functionality. Built on a lightweight aviation aluminium chassis with hydrolytic PU tyres and advanced suspension, the Muum-4 offers smooth handling for busy streets, shopping trips and family days out.

The reversible seat unit reclines from 105° to 155°, making it suitable from birth up to 22kg (approx. 4 years). An extra-large extendable UPF50+ hood, raincover, coordinating seat liner and matching pram bag ensure comfort and practicality in all seasons.

For newborns, the Sweet Carrycot provides a spacious, breathable and eco-conscious environment made from 100% recycled fabrics and certified to EN1466:2023. Completing the trio, the Koos iSize R1 car seat (40–83 cm) delivers R129 i-Size compliant safety, with advanced side-impact protection and lightweight portability. An optional iPlatform Comfy reclining Isofix base is available for quicker, secure installation.

What’s Included

• Muum-4 Pushchair
• Extra-large extendable UV50+ hood
• Pushchair raincover
• Coordinating reversible seat liner
• Coordinating pram bag
• Sweet Carrycot (0–9kg)
• Ergonomic mattress with adjustable backrest
• Koos iSize R1 Car Seat (40–83 cm)
• Newborn insert (40–60 cm)

Optional: iPlatform Comfy Reclining Isofix Base

 

Video Demo - Jané Muum 4

Video Demo - Jané Sweet Carrycot

Product Highlights

• Lightweight aluminium chassis for easy manoeuvrability
• Reversible seat unit suitable up to 22kg
• Eco Sweet Carrycot certified to EN1466:2023
• Koos R1 i-Size car seat (R129 approved)
• Travel system ready with Pro-Fix attachment

Features & Benefits

• Eco leather adjustable handlebar (80–105 cm) offers seven height positions for tailored comfort.
• Reversible seat unit allows parent-facing or world-facing travel.
• Multi-position recline (105°–155°) supports comfort from newborn to toddler.
• Hydrolytic PU tyres with suspension ensure a smooth and durable ride.
• Magnetic 5-point harness makes securing your child quick and simple.
• UPF50+ extendable hood protects from sun exposure and light rain.
• Sweet Carrycot (birth to 9kg) provides a spacious, breathable and certified safe sleeping space.
• Koos iSize R1 (40–83 cm) delivers enhanced rearward-facing safety under R129 regulations.
• Side impact protection with memory foam headrest helps disperse collision forces.
• Dual installation options allow fitting with seat belt or optional Isofix base.

Specifications / Size & Fit

Muum-4 Pushchair

• Unfolded: 82–94 x 58 x 80–105 cm
• Folded: 70 x 58 x 29 cm
• Wheel diameters: Rear 29 cm | Front 19.5 cm
• Weight: Chassis 7.6 kg | Seat unit 3.9 kg
• Basket capacity: 4 kg / 18 litres
• Suitable up to 22 kg

Sweet Carrycot

• Unfolded: 82 x 46 x 62 cm
• Folded: 82 x 46 x 15 cm
• Weight: 4.3 kg
• Suitable: Birth to 9 kg
• Standard: EN1466:2023

Koos iSize R1 Car Seat

• Suitable: 40–83 cm (birth to approx. 18 months)
• Dimensions: 66 x 44 x 58 cm
• Weight: 3 kg
• Regulation: R129 i-Size

Compatibility

• it’s built in Pro-Fix system is compatible with Jané Koos R1 infant car seats and Sweet, Transporter or Micro Pro Carrycots
• Works with most other branded infant car seats when used with the Jané Universal Car Seat Adapter.
• Optional iPlatform Comfy Reclining Isofix Base compatible with Koos iSize R1 car seat

Ideal Uses

• Everyday errands and shopping
• Newborn pram mode from birth
• Car-to-pushchair transitions
• Long-term pushchair use up to 22kg