A microclimate management system 10 comprises a mattress 16, a topper 18, and a control system 14. The topper 18 is coupled to the mattress 16 and is supported thereon. The topper 18 defines an interior region 42 and a person contacting surface 52. The control system 14 is configured to maintain at least one of a surface temperature, a relative surface humidity, and a heat withdrawal capacity of at least a portion of the person contacting surface 52 within a predetermined operating range.