You can’t talk about fitnesswear today without a mention about the technology behind them. What once used to be the simple business of pushing out sneakers, tank tops, and shorts that the general public could afford has now burgeoned into a billion-dollar affair that demands research labs, actual engineers, and hours of testing by professional athletes. 

Technology is such a huge part of the fit sphere now and it’s played such a big part in fulfilling people’s never-ending quest of being faster, stronger, and better. From Nike’s bead-filled soles and ASICS’ salt flat-tested Glideride, to Under Armour’s recovery sleepwear, here are some of the best fitness innovations this year.