RunFree technology ensures the sustainability of our society by providing access to clean air to promote healthy and active lifestyle to ensure healthy future generations. RunFree hat purifies the air the wearer breathes by filtering it through bio-inspired air channels that purify air and provide humidity control. These channels were inspired by leaf vessels and provide and efficient system for distributing air in the breathing zone. Low power sensors measure outside pollution and effectiveness of filtration system and send haptic feedback to the wearer. The sensors also enable adaptive filtering based on activity level and extent of pollution.