Olivgrünes Polo-Shirt Mockup mit xindao werbeartikel

Photo-real product mockup of a olive green polo shirt with "xindao werbeartikel" logo printed at classic embroidery. Mockup style: on model wearing, vibrant gradient logo palette. Studio-grade photography, sharp focus, natural fabric texture / mug ceramic / paper grain. Magazine-quality merch shot, no watermarks. Logo is generic placeholder typography — no real-brand marks. Realistic product proportions. Target search intent (rendered visually, no on-image text): "xindao werbeartikel" (de).