We heard you.
We listened to your feedback on the SDJ-01. Because of that, we are proud to say we have improved on the design of the SDJ-02 in every possible way. Improvements include:
climate control (heating + cooling modes)
USB port for charging mobile devices
larger pockets for smartphones/tablets
thinner, lighter, and quieter air amplifiers
light up, retro-style buttons
cleaner,streamlined jacket design