SPH earcup chafing pad is located on the inside of the helmet shell. The chafing pad is held on by glue. The chafing pad prolongs the life of the SPH crosstraps by not allowing the straps to chafe against the Graphlon or Kevlar helmet shell. Two pads are required per helmet shell.

Gentex Part #

67A1777  Pad, chaffing.

Other items you may need:

SPH Cross-Strap

SPH Cross-Strap Adapters

SPH Earcup Spacer Kit