General purpose front-brim (Type 1, Class E) - Front brim to protect the face from sun, reduce glare, and help shed rain. Type 1, Class E hard hats protect wearers from vertical impacts and high-voltage conductors (up to 20KV). - Protect the wearer from hazards that impact the head. - They have a suspension system that moves the impact force though the body to feet, helping to reduce strain to the head, neck, and spine.