probably a shader problem. make sure it's using a fully functional shader

@JohnLemon thx for the info

Or you can pick away at it

Bump

@zeta.zaza awww thank you so much

you would need to use blender and re-sculpt it to fit the body! mamehinata has a different base than usasaki

the original physics bone is in the AvatarDynamics object

please show your animator layers in the vrc avatar descriptor ~