Size is one of the main challenges for fashion retailers. With no standardized sizing across brands and countries coupled with the free shipping trend, consumers are encouraged to buy multiple sizes and return those items that don't fit. More than 70% of the returns in fashion occur due to size & fit which leads to significant losses and a large carbon footprint. Size-as-a-Service Solution: EyeFitU's patented cloud based (Microsoft Azure) SizeEngine supports retailers in their accelerated digital ambition and analytics engines, to be ready to capture early demand as this will lead to a rapid revenue recovery. Lowering their return rates has a direct impact on their sustainability efforts as the impact is on a decrease on transportation, reconditioning, waste and inventory management. Our analytics covering customers anthropometric measurements enables retailers to optimize their manufacturing and fulfilment costs. Omnichannel solution.