Copy & paste all the codes at once or just the ones you want inside the Cyber Engine Tweaks console. The items will be added straight to your inventory.

Game.AddToInventory("Items.ballistic_vest_black_standard", 1)
Game.AddToInventory("Items.ballistic_vest_blue_standard", 1)
Game.AddToInventory("Items.ballistic_vest_brown_standard", 1)
Game.AddToInventory("Items.ballistic_vest_burgundy_standard", 1)
Game.AddToInventory("Items.ballistic_vest_charcoal_standard", 1)
Game.AddToInventory("Items.ballistic_vest_forest_standard", 1)
Game.AddToInventory("Items.ballistic_vest_green_standard", 1)
Game.AddToInventory("Items.ballistic_vest_grey_standard", 1)
Game.AddToInventory("Items.ballistic_vest_militech_standard", 1)
Game.AddToInventory("Items.ballistic_vest_navy_standard", 1)
Game.AddToInventory("Items.ballistic_vest_olive_standard", 1)
Game.AddToInventory("Items.ballistic_vest_pine_standard", 1)
Game.AddToInventory("Items.ballistic_vest_pink_standard", 1)
Game.AddToInventory("Items.ballistic_vest_red_standard", 1)
Game.AddToInventory("Items.ballistic_vest_sand_standard", 1)
Game.AddToInventory("Items.ballistic_vest_snow_standard", 1)
Game.AddToInventory("Items.ballistic_vest_tan_standard", 1)
Game.AddToInventory("Items.ballistic_vest_teal_standard", 1)
Game.AddToInventory("Items.ballistic_vest_white_standard", 1)
Game.AddToInventory("Items.ballistic_vest_void_standard", 1)
Game.AddToInventory("Items.ballistic_vest_urban_custom", 1)
Game.AddToInventory("Items.ballistic_vest_specops_custom", 1)
Game.AddToInventory("Items.ballistic_vest_arctic_custom", 1)
Game.AddToInventory("Items.ballistic_vest_arid_custom", 1)
Game.AddToInventory("Items.ballistic_vest_nightops_custom", 1)
Game.AddToInventory("Items.ballistic_vest_digital_custom", 1)
Game.AddToInventory("Items.ballistic_vest_zealot_custom", 1)
Game.AddToInventory("Items.ballistic_vest_enforcer_custom", 1)