Your polyester T-shirt will be responsible for 120 times more in CO2e emissions if it is flown from China to Australia, rather than brought here by sea freight, Carbonfact data shows.

Manufacturing the shirts this way has prevented nearly 13million plastic bottles, totaling almost 254 tonnes of polyester waste, from going into landfill sites.

"The technology behind it is extraordinary." Sportswear company Puma unveils first-of-its-kind garment: 'It may look like an ordinary T-shirt, but make no mistake' first appeared on The Cool Down.