The Bug:

Z-fighting occurs on the bottom of boots.

Steps to Reproduce:

1. Equip some enchanted golden boots by using the command provided below.

   /item replace entity @s armor.feet with minecraft:golden_boots{Enchantments:[{id:"minecraft:protection",lvl:1}]}

2. Switch into third person and look closely at the bottom of the boots.
3. Take note as to whether or not z-fighting occurs on the bottom of boots.

Observed Behavior:

Z-fighting is present.

Expected Behavior:

No z-fighting would occur.