Close-up of intricate white applique embroidery and sparkling rhinestone details on a black premium lambskin leather varsity jacket, showcasing high-end craftsmanship for wholesale buyers. Fashion designer in a studio discussing OEM custom design options for a leather varsity jacket with a client, displaying digital mockups on a tablet, representing B2B collaboration and customization service. Male model posing confidently in a custom black leather varsity jacket with applique embroidery and rhinestones against a minimalist urban background, ideal for men's streetwear fashion lookbook. Multiple finished custom leather varsity jackets with unique applique designs neatly displayed on a rack in a factory showroom, with an 'OEM Custom Collection' sign, highlighting manufacturing capability and variety for wholesale.