 Cool when it’s hot Regulates body temperature by absorbing and releasing heat  Warm when it’s cold Provides extra layer of warmth by trapping body heat  Developed for NASA Technology originally developed to regulate astronaut’s body temperature in space.  Made of Natural Fibers Smoothness acquired with cotton and viscose, and also with the help of Outlast™ Thermocules™ |
 Helen Parker Set 2018 “I’ve tried your Thermo before, but this is really something else. The ideal underwear for mid-season temperatures. Love it!” Jacek Puziewicz Dec 2019 “Since some years I use IMPETUS underwear, I must say that it is well done, comfortable, the producer knows how to made good men's underwear... It was the first time I decided to test "innovation" . You feel the difference compared to "thermo" obviously the staff is more delicate and more bretheanble. I am satisfied!” Andre Saint Mar 2021 “Outstanding Product. It does feel like i’m wearing nothing at all!” Michel Nov 2019 “Super comfortable. Do do what it says on the tin!” |
