Rib protection

Choose the right level of coverage.

Compare the P1 and P1 Defender, then choose the model first and use its own size guide for a close, secure fit.

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P1 model comparison

Compare coverage, homologation and fit.

The P1 and P1 Defender use different size guides. Choose the model first, then follow the correct guide for a close, secure fit.

Tillett P1 and P1 Defender comparison
ModelCoverageHomologationFit and sizing
P1Low-profile, adjustable ribcage protection.Not CIK-FIA 8870-2018 homologated.Use the P1 chart; fit snugly and do not size up to create room.
P1 Defender360° chest-circumference coverage with an integrated chest panel.CIK-FIA 8870-2018 homologated.Use the Defender-specific guide, including the applicable FIA height category.

Fit matters

A protector must sit close and secure.

Do not size up deliberately. Recheck chest and waist measurements against the correct guide, especially when moving between P1 and P1 Defender.

Want us to check the model and size?

Share the driver’s chest and waist measurements, age and current protector where available.

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