I recommend downloading the linked mods below and then replacing the files however if you already have either of those mods then just drag and drop the texture files into your folder.

This is just a texture, it can be used with FiveM or with Franklin. Links to the models are down below: 

FRANKLIN:
https://www.gta5-mods.com/player/nike-techfleece-sweatsuit-pack
INSTALL:
"mods/x64v.rpf/models/cdimages/streamedpeds_players.rpf/player_one"

MP / FIVEM: 
MODEL:
https://www.gta5-mods.com/player/fivem-sp-nike-techfleece-sweatsuit-for-mp-male
TEXTURES:
https://www.gta5-mods.com/player/mp-male-sweatpants-and-hoodie-texture-pack
INSTALL:
"mods\x64v.rpf\models\cdimages\streamedpeds-mp.rpf\mp-m-freemode-0"
