As it's not possible to convert body-models to Fifa14 you probably have to edit the Fifa 14 sock model via blender yourself.
Yes, as i've seen so far there is no big issue with other boots. It could look weird sometimes if you zoom to close, because the sock model is smaller than the actual...
adidas Superspectral Pack
Important! In order to make them work with Fifa 15 socks you need to have this files installed, if you haven't already.
@pao4ever Models & textures
I'm going to share here every now and then some boots I've converted from other Fifas & some I've tried to create by myself. I hope you enjoy them!
Nike Impulse Pack Euro 2020
Important! In order to make them work with Fifa 15 socks you need to have this files...