Based on the title provided, this appears to be a transcript from the YouTube series (or similar creators in that niche like Mischa, Ian Carter, etc., who often discuss the behind-the-scenes of the fashion industry).

For the budding fashion entrepreneur, mastering the specifics of the V2 top—the shoulder seam, the bicep ease, the hem ratio—is the difference between looking like an amateur selling Gildan blanks and a professional building a legacy brand.

Stop launching. Start iterating. Your V2 top is your best salesperson.

If you are a designer reading this and realizing your current collection is stuck in "V1" hell, here is the 5-step checklist based on the fashion business episode blueprint:

Most brands die because they sell to department stores that discount. The top brand sells direct, or to three select retailers globally. No sales. No outlets. Ever.