Latex is thee most resilient material available and will absorb much of his body weight...causing the upholstery in the mattress to maintain its shape, avoiding body impressions.
Since you don't need the topper for the sake of softening the surface...and only for the longevity of the mattress...then the EverEden 2" Medium Vytex Dunlop Latex would be the one to get.
Here is a link to that.
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