Worked just OK for me
Did mine with 2 pcs of 1" thick Calsci memory foam - extra firm
It's a smidge better than the stock seat and a cheap mod, but not an end to the search for a seat comfortable for more than 1.5 hours.
For my somewhat skinny butt (175#, 5'10", 31" inseam), the VStrom seat is just too narrow in the butt cheek department at the rear of the rider seat, and a bit too wide at the front. Can't fix those problems with memory foam alone. Shape & contour are the issues.
DL650K6 - For sale
02 KTM 400EXC