The decision to manufacture custom women's yoga bra and sweatpant sets by a workout clothes manufacturer like Ingor Sports can be attributed to several factors:

1. Fitness Trends: Yoga has gained immense popularity as a fitness and wellness practice. Many individuals are seeking comfortable and stylish yoga apparel to enhance their yoga experience.

2. Athleisure Trend: The athleisure trend, where activewear is worn both for exercise and as casual wear, has led to an increased demand for fashionable workout clothing, including yoga bra and sweatpant sets.

3. Customization: Customized workout sets allow customers to select designs, colors, and sizes that suit their personal preferences and style. This customization can enhance the overall shopping experience.

4. Functionality: Yoga requires clothing that allows for a wide range of motion and comfort. Custom-made yoga bras and sweatpants can be designed with specific features such as moisture-wicking materials, stretchability, and breathability to improve functionality.

5. Brand Identity: Ingor Sports manufacturers may want to establish a unique brand identity by offering custom-designed workout sets. This can help customers stand out in a competitive market.

6. Competitive Advantage: Offering customized workout sets can give a manufacturer a competitive edge by catering to the unique needs and preferences of their customer base.