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Specs

  • Main fabric: Endurance fabric
  • Chamois: KISS Air2 Pro
  • Bib straps: Progetto X2 Air mesh
  • Leg gripper: Silicone-free elastic
  • Care: Machine wash cold, hang dry

FAQ

How does the KISS Air2 Pro compare to Castelli's standard chamois?

The KISS Air2 Pro is Castelli's endurance-specific pad, using higher-density foam in key pressure zones for extended comfort on rides over three hours. It is thicker and more supportive than the standard KISS chamois.

Are the bib straps compatible with a heart rate monitor chest strap?

Yes, the Progetto X2 Air straps are wide enough to sit alongside a chest strap without interference, though individual fit varies.

Should I size up or down compared to other Castelli bibs?

The Unlimited Endurance fits true to Castelli's standard sizing. Consult the size chart using your waist and hip measurements for the best result.

Best For

Road and gravel riders who spend long hours in the saddle and want a chamois and construction specifically engineered for endurance distances, not just standard training rides.

Castelli Unlimited Endurance Bibshort Reviews:

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