We've tested a lot of crazy workout gear over the years, from Adidas' pressurized workout shoes to elaborate virtual coaching booths, but never anything from space.
Let me confirm that I haven't actually worn anything from outer space: this is a workout layer from premium activewear company Walero, which also makes professional-grade motorsport gear. The Walero Active temperature-regulating baselayer incorporates Outlast technology, which is a fabric system originally developed for NASA to clothe its astronauts.
