Prevail Microclimate Care is Prevail’s system of creating a favorable microclimate by incorporating performance features that help maintain normal skin temperature and moisture at the skin surface. Prevail’s Microclimate Care Performance Features include: 100% breathability, AirMax Layer made of specially formulated breathable material traps wetness inside the pad but allows air, heat, and humidity to escape, and doublesorb Layers feature soft dual core system that helps lock up moisture.