Install:
1. Download original vest
2. Rename task_000_u.ydd to hand_005_u.ydd
3. Drop all files (hand and hand_diff) in this folder
update\x64\dlcpacks\mpbiker\dlc.rpf\x64\models\cdimages\mpbiker_male.rpf\mp_m_freemode_01_mp_m_bikerdlc_01
Credits:
El_Matthew_