The decision to create gym clothing, such as a romper jumpsuit, with recycled fabric and removable padding likely stems from a combination of several factors and considerations that are important to both consumers and the fashion industry. Here are some reasons why a gym clothing manufacturer might choose to incorporate these features:

1. Sustainability: Using recycled fabric in the production of gym clothing is part of a broader trend in the fashion industry to reduce the environmental impact of clothing manufacturing. This is in response to growing awareness of the fashion industry's contribution to pollution and waste. Using recycled materials can help reduce the need for new resources and decrease waste.

2. Eco-Friendly Branding: Many consumers are increasingly conscious of the environmental impact of their purchases and are more inclined to support brands that prioritize sustainability. Using recycled materials and promoting eco-friendly practices can enhance a brand's image and appeal to a broader customer base.

3. Comfort and Versatility: Gym clothing with removable padding offers versatility and comfort to the wearer. The ability to add or remove padding allows individuals to customize their outfit to suit their preferences and specific workout needs.

4. Convenience: A romper jumpsuit can be a convenient choice for active individuals. It eliminates the need to coordinate separate pieces of gym attire and provides an all-in-one solution for a workout or fitness routine.

5. Fashion and Style: Fashion and style play a significant role in gym clothing. Designing a romper jumpsuit with unique features like removable padding can set a brand apart from competitors and attract fashion-conscious consumers.

6. Functional Athletic Wear: Athletic wear, including gym clothing, should not only be stylish but also functional. Removable padding can enhance the functionality of the jumpsuit by allowing individuals to adapt it to their specific activity, whether it's yoga, running, or weightlifting.