This study outlines the developments in smart and wearable technologies in the global PPE market. It discusses what is smart for the PPE market and what kind of developments can benefit the end users in overcoming some of the challenges associated with traditional PPE. It also outlines the drivers and challenges for smart PPE and provides an overview on the smart developments in different product categories—head protection, eye and face protection, hearing protection, respiratory protection, protective gloves, protective clothing, protective footwear, and fall protection. It also provides an insight into the supply side perspective and future potential for smart technologies in the PPE market.