The item id for Frost Top Military THICC Boss in unturned is 36589. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Useable: Clothing
Size_X: 3
Size_Y: 2
Armor: 0.7
Width: 6
Height: 3
Master_Bundle_Override: frost.masterbundle
Bundle_Override_Path: /Items/Clothing/Frost_Top_Military_THICC