For years, sustainability tools in the apparel sector have traveled down a strict one-way street: from brands and consultancies down to manufacturers. What they are missing are the variables and nuances that factory managers on the ground experience and must tackle to first prove the financial return on those upgrades to even begin the conversation with brands, banks, and their own leadership. But that can be fixed with a simple tool that no one built until now.

Shahi Exports co-commissioned and led the development of Bang for Buck—a collaborative project facilitated by the Fashion Producer Collective, alongside fellow manufacturers Elevate Textiles and Epic Group, with support from GIZ FABRIC and technical expertise from Grant Thornton Bharat. Quietly radical in its approach, this free, open-access tool covers 22 decarbonization technology measures. These are practical, proven interventions selected by suppliers to work within real-life constraints across diverse factory setups. The tool enables sustainability managers to calculate the exact emissions impact relative to financial ROI, giving them precise data and the language to justify green investments to stakeholders.

What makes Bang for Buck truly unique is the intensely collaborative process behind it. Suppliers weren’t brought in to simply “review” at the eleventh hour but were made co-designers from the very first page. Every assumption was named and debated out loud.

We didn’t just stop at asking how much a technology could cut emissions, but went on to dig deeper. Does this data actually exist within a standard manufacturing company? Who will own it? Is the output robust enough for a plant manager to stand in front of a CFO and win the argument? Even the final paper was written jointly, making sure the manufacturer’s voice remained primary.

The process ultimately revealed:
While technical realities like grid factors and local infrastructure vary by region, the core pressures manufacturers face are identical worldwide.

Whether in South Asia or Southeast Asia, suppliers grapple with accessing upfront capital, verifying technology performance, and communicating ROI. Bang for Buck engages these realities and changes the traditional supply chain dynamic: proving that repeatable, supplier-led collaboration is not only possible, but indeed essential for genuine industry transformation.

Want to study the co-design process in greater depth?
Read the full personal reflection by Shahi’s Kritika Chauhan, Senior Manager, ESG and Innovation, on our partner Substack to see how we flipped the script on supply chain decarbonization and built a tool that withstands real-world factory floors.

Read the Full Article on Substack
Download the Bang For Buck Tool Here