Digital technologies enable apparel manufacturers to unlock solutions for new product development (NPD) challenges faced during the Covid-19 pandemic. A Product Configurator (PC) is the key to Mass Customization (MC) as it can employ to elicit customer requirements, which is essential in successful NPD. Even though some online PCs exist in apparel retail and product development, no one could gather customer requirements and deploy them in the NPD. This paper conceptualizes a Natural Language Processing (NLP)-based PC on eliciting customer requirements based on a systematic literature review and a basic concept of Design Space Analysis. Finally, it is contended that this knowledge can apply in relevant software development to modernize apparel design, development and online retail.