1. Market demand: There may be a growing demand for custom women's activewear, including tennis skirts, in the market. By offering customization options, Ingorsports can cater to individual preferences and provide a unique selling point compared to their competitors.

2. Brand differentiation: Creating custom women's apparel allows Ingorsports to differentiate themselves in the market and establish their brand as a provider of unique and personalized activewear. This can help them attract customers who are looking for something different and exclusive.

3. Customer satisfaction: Customization allows customers to have more control over the design, fit, and style of their tennis skirts. By offering custom options, Ingorsports can enhance customer satisfaction and ensure that the garments meet their specific needs and preferences.

4. Partnership opportunities: Ingorsports may also engage in original design manufacturing (ODM) and original equipment manufacturing (OEM) arrangements. These partnerships involve collaborating with other brands or retailers to create custom apparel that bears the partner's branding. This allows Ingorsports to expand their reach and work with different companies to create custom women's apparel.

5. Irregular pleated elastic tennis skirts: The mention of "irregular pleated elastic tennis skirt outfits" suggests that Ingorsports is offering a unique design element, such as irregular pleats or an elastic waistband, in their tennis skirts. These design features could add style, comfort, and functionality to the outfits, attracting customers who appreciate these details.