u/Exotic_Attempt7215

Does anyone have King size FIRM Novaform 14" Legacy Premier Support Hybrid Euro Top Mattress from Costco? I just bought one but it’s still in the box. I am 5’10” , 275 lbs, hot sleeper, always waking up with back pain, toss and turn a lot in the night. “Mountain climbing” sleeping position most of the time. Do you guys think this will be a good fit for me? How is the edge support on this mattress?