Comfortweave was NOT available on 68 convertibles.
Look at the 68 Shelbys. The fastbacks got comfortweave but the convertibles did not.
I put comfortweave in my 68 vert anyway. Looks better IMO and much cooler to sit on. Had to have them custom made.
1967 Shelby GT350, dark green, 347 stroker, 5-speed, inboards, #2206
1973 Mustang Convertible, white/white, black stripes, Q-code (351C-4V), ram air.
1968 1/2 428 CJ convertible, R-code, red/deluxe red, auto, finally finished.
"If you find the car of your dreams, ignore the price guides and pay whatever you have to in order to get it."