How to Make The Diamond Strike Vest in GTA 5 Online

Final
C1 + C2 → New Item
C1
Gray Cropped Biker + Green Festive Tee
C1 top
Leather Jackets
C1 undershirt
Festive Tops
C2
Valentines Onesie (L) + Valentines Onesie (L
C2 top
APT - Seasonal
C2 undershirt
APT - Seasonal

The Diamond Strike Vest

Stage 1 / 1 Final
Result image