The acrylic fabric can breathe and is there for cooler under it but it does cost more. Also acrylic will have a longer life than vinyl under the same conditions. Welcome, Retirees, to iRV2.com. We are glad to have you join us here. I am sure you will enjoy this website and forums. Keep us posted and have fun.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7