1. Sokolowski SL (2020) Cool touch shirts can make you feel cool on hot days, but which materials work best? The Conversation. https://theconversation.com/cool-touch-shirts-can-make-you-feel-cool-on-hot-days-but-which-materials-work-best-144475. Accessed 5 Sept 2021
2. Credence Research (2017) T-shirts market by material type (cotton, polyester, Lycra, linen, rayon, and blends), by type (customized and non-customized), by ink type (dyes, ink, sublimation, pigments)—growth, share, opportunities & competitive analysis, 2019–2027. https://www.credenceresearch.com/report/t-shirt-market. Accessed 5 Sept 2021
3. Styletheorist (2013) Trickle-up fashion. https://styletheoristblog.wordpress.com/2013/08/28/trickle-up-fashion/#:~:text=Trickle-Up%20Fashion.%20The%20Trickle-Up%20theory%20involved%20innovation%20or,then%20upper-class%20spheres%20whom%20then%20purchase%20the%20designs. Accessed 5 Sept 2021
4. How Products Are Made (n.d.) T-shirt. http://www.madehow.com/Volume-2/T-Shirt.html. Accessed 5 Sept 2021
5. Nike (2021) Nike manufacturing map. http://manufacturingmap.nikeinc.com/. Accessed 5 Sept 2021