Images of adorable Labrador Retriever puppies on ribbed athletic crew socks. Black cushioned heel and toe. Cute yet tough dog sport socks that are great for both athletics and casual wear Sublimation is a process by which sublimation dyes are printed onto a transfer medium with a specially prepared inkjet printer. Those dyes are then transferred from the medium to an object or garment under the heat and pressure delivered by a commercial heat press. When the heat and pressure are applied, the dye on the transfer medium sublimates, or becomes a gas, and is then absorbed into the polyester itself. The print is actually a part of the garment/coating. It doesn't fade easily, wear, or have any texture or weight.