Hey! I tried it when I first began dressing about 14 years ago.
U know, tite undies and thongs under my pants. A thin girdle under my shirt. Maybe a sports bra? And, OF COURSE, pantyhose!
At first, yeah! I got a thrill from the FEEL of those under items! And, that no one knew what I was wearing!
But, after a few days of this, they ALL became uncomfortable, made me sweaty, and even caused PAIN!
I LOOKED exactly the same in the mirror, but felt crappy by noon! I gave all that up and am happier for it!
These days I dress completely, so it seems pointless to me now!
I wonder, do some of U folks underdress every or several days a week? Why? What do u get out of it? Do u do it simply because U CAN'T dress fully, as you'd prefer?