•Microclimate Core™ -Prevail's system of creating a favorable microclimate by incorporating performance enhanced features that help maintain normal skin temperature and moisture at the skin's surface •100% Breathable-air circulates through entire brief •AirMax™ Layer-specially formulated breathable material traps wetness inside but allows air, heat and humidity to escape •Expandex™ Wings-Soft, flexible stretch panels provide a secure fit •Doublesorb™ Wings-Soft, dual core system helps lock up moisture