I only have a few of these prototypes to sell. These are modern foam ears for JT Proflex but modeled after the very first JT Proflex soft ears.
JT Paintball Soft Foam Ears w/Hardware Replacement Part (#23289) : Sports & Outdoors
Inline Foam Ears for JT Proflex - Green – Paintball Retro
JT - GI New Blue ICE proflex Revo 3.0 soft ears — Paintball R Us
JT Paintball Green Paintball Clothing & Protective Gear for sale
JT Paintball Green Paintball Clothing & Protective Gear for sale
JT ProFlex Revo 3.0 Soft Ears Kit – Lone Wolf Paintball
Products – Tagged hardware– Paintball Retro
2022 JT FIT 2.0 CUSTOM CUT EAR FOAM FTG - CK Fight Life
JT - GI New Blue ICE proflex Revo 3.0 soft ears — Paintball R Us
This JT Rose Gradient lens is compatible with the full JT Spectra family of masks including the world-famous ProFlex. It fits the Spectra, ProFlex,
JT Thermal Proflex Lens - Rose Gradient
JT Thermal Proflex Lens - Rose Gradient – Paintball Retro
JT Proflex Soft Ears - Black – UK Woodland Masters Ltd.
JT Paintball Soft Foam Ears w/Hardware Replacement Part (#23289) : Sports & Outdoors
Modifying JT mask pieces
Can you use a paintball mask for playing airsoft? - Quora