Be Cool by Jané

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Be Cool Thunder Isofix Group 1/2/3 Car Seat  £139.00

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RRP £219.00Save 37%
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  • Description
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Thunder Isofix Car Seat


  • Group 1-2-3.  Age: 9 months to 12 years  /  Weight of child: 9 to 36Kgs
  • Installation with Isofix and top tether (Universal) and later with the vehicles own 3-point seat belt and optional Isofix for Group 2-3.
  • Complies with ECE R44 / 04 Universal Classification


Multi-group 1-2-3 car seat with 3D filling offering greater comfort and better shock absorption. The multi-position harness, the adjustable headrest and the different reclining positions provide complete safety while allowing the child to rest peacefully on the journey.

This version of the Thunder with Isofix, allows the move from group 1 to Groups 2 and 3 easily and safely.  The car seats headrest and adjustable harness synchronise automatically as the child grows.



Thunder Isofix


  • PP injection frame.
  • Forward facing use only.
  • Built-in 'Side Protection System' (SPS) for side impacts which are attached to both side wings.
  • Multi-position harness with adjustable headrest.
  • 5-point safety harness for Group 1 stage has an easy one-pull adjustment system.
  • Group 1 stage : 9-18 kg. 9 months- 4 years approx.) using the integral 5-point harness for maximum safety.
  • Groups 2 & 3 stages : 15-36 kg (approx. 3 -12 years): belt guides position the adult seat belt correctly over the child once the integral harness has been removed. 
  • Includes removable padded insert cushion for younger children.
  • 4 Reclining positions with simple one hand adjustment.
  • 3D sponge materials for more comfortable use and shock absorption.
  • Auto-adaptable harness positions according to the height of the headrest.
  • Group 1 stage: Can only be used with ISOFIX and the third anchor point (top tether).
  • Group 2 & 3 stages: Can be used with the double ISOFIX points without the third anchor (Top Tether) and with the vehicle 3-point seat belt at the same time.
  • Dimensions: 64-69 x 43.5 x 46 cm
  • Weight: 10.4 kg


Age Range and Installation Methods


Body weight

Body weight

baby height

Size / Approx. Age

rearward facing

Installation  position

Restraint system Installation method Category


9 months - 4 years

Forward facing

forward facing

5-point harness Isofix + Top Tether Universal
2 & 3


3 years - 12 years

Forward facing

forward facing

Vehicles 3-point seat belt

Isofix + 3 point seat belt

Top Tether optional



  • Group 1 forward facing position with isofix anchors and top tether. 5-point harness of the safety seat is used as the childs restraint system.
  • Group 2 & 3 forward facing uses the vehicle 3-point seat belt as the childs restraint system. Can be used with isofix connectors without the third anchor (Top Tether).



Be Cool Thunder Isofix: Instruction manual download 

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