i am back on the airerx. i packed up my j2. it is waaaaaaaaaaaaaaay hotter than the airerx. i guess it is a trade off, 'butt pain' or 'swamp butt' (as someone previously called it.)

actually, my new j2 isn't comfortable to me either ... i think i may have some neuropathic issues going on as far as butt nerve pain. who knows? full sensation has advantages AND disadvantages....

at least airerx has a 30 day money back guarantee. and they are very nice to deal with.