Unresolved issue with Study Institute of Success LLC product

It's now been 8 days since my initial complaint, and Study Institute of Success LLC still hasn't addressed the core issue. I've received generic responses that don't actually solve my problem with their customization service.

Dear valued customer, Thank you for your complaint regarding the dress shirt you purchased on May 12, 2025. At Study Institute of Success LLC, customer satisfaction is our top priority, and we take all feedback seriously. We have thoroughly investigated your case and have identified the source of the issue you experienced. We would like to offer you the following resolution options: 1. A full refund of $381.27 2. A replacement dress shirt with an extended warranty 3. A store credit of $381.27 plus 20% for your inconvenience Please let us know which option would best satisfy your concerns by responding to this message or calling our dedicated customer resolution line at 1-800-555-1234, reference number REF-631FE0C7. We value your business and hope to restore your confidence in our company. Best regards, Michael Thompson Customer Experience Manager Study Institute of Success LLC

ComplaintNest Administrator Intervention: Due to the serious nature of your complaint regarding Study Institute of Success LLC's t-shirt and the safety concerns you've raised, we have expedited this case in our system. We have directly contacted senior management at Study Institute of Success LLC and have received assurance that this matter will be investigated promptly. Additionally, we have notified the appropriate consumer protection authorities as this appears to be part of a pattern of similar complaints. Please stand by for updates as we work to ensure this situation is properly addressed. ComplaintNest Consumer Protection Team