Garment pre-treatment used with colour textile leaves fine coating, which is a part of the production process. The coating is more visible on darker textile. Sweatshirts require a more complicated pre-treatment due to the polyester content of the fibers, so the fine coating is somewhat more visible on this type of textile. It ensures that colours will stay saturated and it disappears after first washing. In case you plan to use the textile immediately after delivery, we recommend asking about the possibility of ordering a laundry service in a professional laundry.