Avionaut MaxSpace Smart – Black | i-Size R129/03 | 100–150 cm | High-Back Booster

The Avionaut MaxSpace Smart in Black is a premium Group 2/3 high-back booster seat designed for children 100–150 cm (approx. 4–12 years). Certified to the latest i-Size R129/03 standard and officially recommended by the German AGR Association (Aktion Gesunder Rücken) for healthy spine support, this Smart Edition delivers exceptional ergonomics, safety and long-term comfort at an excellent value.

It is engineered for families who want a car seat that protects during every journey while supporting proper posture through every stage of growth.

⭐ Why the MaxSpace Smart Outperforms Other Booster Seats

🧠 AGR-Certified Ergonomics (Rare and Highly Trusted)

Developed with physiotherapists and medical experts, the MaxSpace Smart ensures your child’s spine remains correctly aligned even on long journeys:

• Contoured lumbar support to maintain natural posture

• Deep ergonomic seat base for correct pelvis positioning

• Coccyx pressure reduction zone to minimise discomfort

• Cervical support cushion to stabilise the upper spine

This is one of the most ergonomically advanced booster seats on the market.

⭐ Advanced i-Size Safety (R129/03 Approved)

Your child benefits from the highest level of modern safety:

• Large side-impact protection wings

• Energy-absorbing bumper for added torso protection

• Easy-adjust headrest with guiding height lines

• Reinforced seat shell for improved stability

Designed to protect the head, neck, spine and hips through every stage of development.

⭐ Premium Comfort for Growing Children

💤 Tilt / Rest Position – Rare in Group 2/3 Boosters

A standout feature of the MaxSpace Smart is its ability to recline into a rest position, preventing:

• Slumped sleeping

• Dropping head

• Neck strain

• Poor sleeping posture

Perfect for long-distance travel or late-night journeys.

💺 Upgraded Smart Edition Upholstery (Black)

The Smart version includes:

• New breathable fabric

• Softer cushioning

• Easy-remove washable covers

• Modern premium look in Black

⭐ Key Features of the Avionaut MaxSpace Smart – Black

• AGR-certified ergonomic design

• For children 100–150 cm (approx. 4–12 yrs)

• i-Size R129/03 approved

• Forward-facing high-back booster

• ISOFIX + belt installation

• Tilt / rest position

• Extra-deep seat for proper hip and pelvis alignment

• Advanced side impact protection

• New Smart Edition fabrics (Black)

• Removable machine-washable cover

• 2-year warranty (extendable to 10 years)

• 2-year post-accident replacement

⭐ Technical Specification

Orientation: Forward Facing (FWF)
Child Height: 100–150 cm
Age Range: approx. 4–12 years
Installation: ISOFIX or vehicle belt
Safety Standard: European i-Size R129/03
Side Protection: Yes
Tilt Function: Yes
Upholstery: Removable & washable
Warranty: 2 years (extendable to 10 years)
Post-Accident Replacement: 2 years

⭐ Perfect For Parents Who Want…

✔ A booster seat suitable up to 150 cm
✔ Verified ergonomic certification (AGR)
✔ A seat designed to prevent back pain and poor posture
✔ Tilt / recline for sleeping
✔ Strong side impact protection
✔ Long-term comfort for everyday use
✔ Premium quality without premium pricing