The Nutty Buddy Flex is a redesign of the original athletic cup, with additional attention towards increasing comfort and protection. In response to customer feedback, the new Flex cup allows for a more comfortable fit for all types of body movements. The soft edges of the cup have been modified to better cushion the contact between the cup and the skin. The redesign also better absorbs impact, "protecting the boys" by distributing force to the pubic bone and soft tissues. The redesign maximizes comfort and effectiveness of the original design, creating a better quality product overall.

Dosun Shin is a Professor of Industrial Design program in The Design School at Arizona State University in the U.S. He holds a BFA in Industrial Design and received a MFA degree in Industrial Design from the University of Illinois at Urbana-Champaign in August 2003. Prof. Shin started his design practice from 1999 working both in design consultancies and corporations. Since he arrived at ASU in 2004, he has continued to grow as a design practitioner, researcher, and educator in the discipline of Industrial Design to drive new product innovation through transdisciplinary collaborations. The research Professor Shin has undertaken at Arizona State University is informed by his professional experience and expertise in the area of product design and development. His research activities center on the “humanization of technology”, which seeks to examine current or emerging technologies for responsible product applications with a focus on users who often have been overlooked by the marketplace. He teaches senior and graduate Industrial Design studios, CAD (Computer-aided-design) courses, and digital design technologies. He has published 45 peer-reviewed articles and received 17 research grants from U.S government agencies, universities, and industries since he arrived at ASU in 2004. He is also the winner of 25 design awards and holds 4 U.S patents.

Mark Alan Littell (born January 17, 1953), a former professional baseball player who pitched in the Major Leagues from 1973 to 1982 for the Kansas City Royals and St. Louis Cardinals, was the first client, and this design was initially made for him. Then, the product design was licensed to Battle Sports Science, the leading provider of youth/adult performance football gear, gloves, apparel and protective gear.