I was a bit apprehensive about those “vinyl” seats in my ‘15 Z71, but I can sit in them all day. I think the material they used on the standard Z71 seats feels really cheap....kind of like they came from one of those all vinyl interiors of yester-year. You know, the base model ones that you could hose out at the end of the day? But, despite that I find them comfortable. I’m 5’9” @160. My wife finds them to be fine also.
I understand people having issues with seating position, though. Some Subaru and Toyota seats are absolutely unbearable for my back.
2015 Colorado Yellow V-6 Z71 4X4 SB Crew/Nav/Towing/Sliding R Window/bedliner/3" off-road steps/flares/Xpel/Xstang Trifecta
2002 GMC Sonoma Crewcab 4x4 Yellow ZR5 (new)
1985 GMC High Sierra SB 4x4 Brown/Wht (used)
1983 S-10 Regular Cab, 4X4, V-6, 5spd-man, Black (new)
2014 Buick Verano Premium (Turbo)