Industrial - Bachelor
Relay is a modular running shoe designed to extend footwear lifespan and reduce unnecessary waste. Through research into running shoe wear and replacement behaviours, the project explores a replaceable sole system that allows runners to retain the upper while replacing worn components, offering an alternative approach to conventional running footwear.
Running shoes are often replaced when the outsole or midsole begins to deteriorate, even though other components remain usable. Research involving 71 survey responses and three interviews highlighted opportunities to rethink footwear construction and reduce unnecessary replacement.
Relay is a modular running shoe designed around a replaceable sole system. By allowing runners to retain the upper while replacing worn components, Relay explores an alternative approach to extending footwear lifespan.
The project involved concept sketching, mechanism exploration, CAD modelling and physical prototyping. Different connection methods were investigated before developing a system where the front of the shoe locates into the sole assembly and the remaining section presses into place.
Two physical prototypes were developed to demonstrate Relay’s intended appearance and removable sole mechanism. Combined with detailed CAD renders and technical documentation, the project demonstrates the potential of modular construction, with further testing needed to validate durability and running performance.
Max Bailey is an Industrial Design student at Queensland University of Technology (QUT), having moved from Sydney to Brisbane to pursue his passion for design. With a strong interest in footwear and product development, he enjoys exploring creative solutions that combine functionality, innovation and thoughtful design.
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