An easy-style black real leather full trench coat for women with a vintage look is a classic and versatile addition to your wardrobe. Here are some considerations when shopping for such a coat:

Quality of Leather: Ensure that the coat is made from high-quality, genuine leather. Different types of leather, such as lambskin, cowhide, or goat leather, offer varying textures and durability.
Fit and Size: Choose a coat that fits you well and flatters your body shape. Pay attention to sizing charts, and if possible, try the coat on before purchasing.
Color: Black is a timeless and versatile color that works well for a vintage style trench coat. It can be easily paired with various outfits.
Design and Details: Look at design elements such as the type of closure (buttons, zippers), pockets, collar style, and any unique vintage-inspired detailing that enhances the coat's appearance.
Purpose and Season: Trench coats are typically versatile and suitable for various seasons. However, consider whether you want the coat for colder weather and look for options with warm linings.
Maintenance: Real leather requires some care to maintain its appearance. Be prepared to invest in leather cleaning and conditioning products and follow care instructions.
Budget: Determine your budget and shop within that range. Quality leather coats can be an investment, but they often last for many years.

You can find easy-style black real leather full trench coat women's vintage-style long coats at reputable fashion retailers, both in physical stores and online. Make sure to read product descriptions and customer reviews to ensure you're making an informed purchase. A vintage-style leather trench coat is a timeless and sophisticated addition to your wardrobe.