I went with the Ultimate bunk boards. Not cheap, but I'm planning on keeping my rig for a long time and I'll never have to recarpet. You can actually dry load your boat with them if you had to. Just be sure you don't unhook the winch strap until the trailer is in the water or you'll have a boat sitting in the middle of the ramp.
2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
2018 Robalo R180 CC, Yamaha 115
Bitter Gun Owner