A "Var" file is the standard archive format used by VaM to package assets. It typically includes the 3D meshes for the dress, textures (color, normal, and gloss maps), and physics configurations (CUA or cloth physics) to ensure the dress moves realistically with the character.
Known for producing intricate clothing items often used in MMD (MikuMikuDance) scene ports and high-end character renders. vvvevevvv.Cold_Shoulder_Dress.1.var
This specific package is a digital garment—a —designed to be used on female avatars within the simulation. In the context of Virt-A-Mate: A "Var" file is the standard archive format