Here are some excellent options for buying authentic leather jackets online:

1. **Nordstrom**: They offer a wide range of genuine leather jackets for both men and women. You can find various styles from different brands, ensuring high quality and style【15†source】.

2. **Overland**: This retailer specializes in high-quality leather jackets, offering a variety of styles such as moto jackets, shirt jackets, and more. Prices range from $249 to $595, providing both style and durability【16†source】.

3. **FashionBeans**: They recommend several brands for authentic leather jackets:
– **Acne Studios**: Known for high fashion and maximalist styles.
– **Reiss**: Offers form-fitting leather jackets with a tailored aesthetic.
– **The Real McCoy’s**: Features eco-friendly leather jackets with a vintage Americana style.
– **Cromford Leather**: Specializes in bespoke and made-to-measure leather jackets, handmade in London.
– **Lusso Leather**: Ideal for warm leather jackets, offering custom sizes and hand tailoring.
– **Zara**: Provides a range of affordable real leather jackets【14†source】.

4. **Jackets Land**: This American retailer offers a vast collection of leather jackets for both men and women. Their inventory includes classic designs, bomber jackets, and customizable options. They pride themselves on offering high-quality jackets at affordable prices【17†source】.

These options should help you find the perfect leather jacket that fits your style and budget.