Hi mudd,
While I can’t speak to whether a mattress will be a good “match” for someone else in terms of “comfort”, firmness, and PPP (Posture and alignment, Pressure relief, and your own Personal preferences) because your own careful testing (hopefully using the testing guidelines in the tutorial) and/or your own personal experience is the only reliable way to assess this … I can certainly make some comments about the quality and durability of the materials and components inside it.
The microcoils and the pocket coils are both good quality and durable components but if these specs are correct then the 3" of 1.5 lb polyfoam (two layers that are 1.5" each) on top of the 2" of 3 lb memory foam are both lower quality/density and less durable materials than I would normally suggest considering (see the durability guidelines here) and taken together I would consider them to be a weak link in terms of the durability and useful life of the mattress.
I would look for a mattress that uses higher quality/density and more durable materials.
Phoenix