Although the technology has appeared in Adidas' other models as well, the Energy Boost line allowed the brand to show off its Boost cushioning for the first time – back in 2013. The cushioning is actually made of thermoplastic polyurethane pellets. With incredibly high energy return properties, Adidas' Boost technology changed the game. Give the Energy Boost 3 a try if you want to see what all the fuss is about. It's a 10-ounce shoe with a Torsion System, adaptive upper, and, yes, the famed Boost cushioning.