Long-sleeve base layer shirt that provides personal protection in high-risk and hazardous environments. The shirt is ideal as a first layer and is made of insulating wool and flame-retardant viscose fabric that provides working comfort, warmth and ventilation during work in cold conditions.The personal protective shirt features antistatic properties, inherent heat and flame protection and protection against electric arc. For extra protection, the shirt comes with high collar and long sleeves. Half zip allows for easy dressing/undressing yet enables high collar neck protection.