Sweatshirt Template

I need a Sweatshirt template of good quality; the template will be used to implement the designs of my production to subsequently sell online; it must be in .jpg or .png (not .pdf or vectored) with white background. The important thing for me is that it is a photo (not design). minimum quality 2000 pixels per side; the photo must be already to size in a manner as not having to enlarge resulting in loss of quality. in simple terms: A photo of a sweatshirt with round neck neutral hanger, taking as an example the attached photo; Color Black and gray melange.