Durafit Seat Covers, C1100-V8, 2003-2007 Chevy Silverado and GMC Sierra, Work Truck Seat Covers, Front 40/20/40 Split Seat with Manual Controls and Without Console, in Dark Gray, Velour Fabric 2003-2007 Chevy Silverado and GMC Sierra Work Truck Seat Covers in Dark Gray Velour Front 40/20/40 Split Seat. Exact Fit Manual Controls and Without Console. Integrated Seat belts on top of the seats Velour is a micro fiber material often used by auto manufacturers. We use US made automotive velour which is designed to be used for seat covers. Our velour covers are Teflon and UV treated to protect against stains and fading.