
How do they compare to typical J-Cup Liners?
| Feature | Mammoth Upgrades Liner | Typical Liner |
|---|---|---|
| Material | Thermoplastic Polyurethane | UHMW Plastic |
| Shore Hardness | 68D | 60-70D |
| Failed Rack Protection | ✓ | ✕ |
| Finish Protection (Cerakote/Zinc) | Excellent - Elastic Pressure Distribution | Moderate - Rigid Point Loading |
| Acoustic Profile | Impact Dampening - Quieter | Impact Reflective - Louder |
| Barbell Stability | Moderate Friction | Low Friction |
| Colors | 7 | ✕ |
| Text, Designs, and Logos | ✓ | ✕ |