Ingor Sports is a manufacturer known for producing custom fitness apparel. They likely designed the "Custom Fitness Apparel OEM ODM Women Pockets Design Pleated Tennis Skirts With Inner Shorts" to meet the specific needs and preferences of their customers, particularly women who engage in tennis or other physical activities.

Here are a few reasons why IngorSports may have chosen to create this particular product:

1. Customization: IngorSports specializes in custom apparel, allowing customers to personalize their clothing according to their requirements. By offering customization options such as color, size, and design, they can cater to individual preferences.

2. Functionality: The inclusion of pockets in the design makes the tennis skirt more practical for women who want to carry small items like keys, cell phones, or tennis balls while on the court. This adds convenience and eliminates the need for additional accessories like bags or pouches.

3. Pleated Design: Pleated tennis skirts are a popular choice among tennis players due to their style and functionality. The pleats allow for increased flexibility and freedom of movement during physical activity. They also add a fashionable touch to the garment.

4. Inner Shorts: The addition of inner shorts provides additional coverage and support during physical activities like tennis. It ensures comfort and helps prevent any potential wardrobe malfunctions while playing.

5. ODM and OEM service: IngorSports offers ODM and OEM services, which means they can create customized products based on the designs and specifications provided by other brands or clients. This allows them to cater to the specific needs of different customers, including sports teams, fitness studios, or other businesses in need of custom fitness apparel.

Overall, IngorSports likely created the "Custom Fitness Apparel OEM ODM Women Pockets Design Pleated Tennis Skirts With Inner Shorts" to offer a functional and personalized clothing option for women involved in tennis or other physical activities.