Gateway Safety. Wearing semi- or non-permeable protective equipment can add to workers’ risk of overheating or becoming fatigued. The Serpent Ventilated Safety Helmet helps minimize heat buildup under the shell of the helmet while offering optimal head injury protection. Its CoolSense airflow system, along with six vents along the peak of the helmet, promotes heat release and keeps workers cool. A cushioned brow pad absorbs moisture and perspiration, promoting wearability and worker compliance. 800.822.5347.