Forged Carbon Shell is 25% lighter than the original DAX carbon fiber hard hat, ANSI and EN Certified: Meets Z89.1-2014, Type 1, Class C standards and EN 397, Mips safety system features a low-friction layer inside a safety helmet or hardhat that allows a multi-directional movement of 10-15mm on certain angled impacts, intended to help reduce rotational force to the head, The DAX Hard Hat line standard head size is (6 - 8); 52-64cm circumference, Brim grip feature for security, LUX Retention System has secure, adjustable fit that stays comfortable all day, Oversized ratcheting dial for easy size adjustment, even with gloves on, Moisture-wicking synthetic leather brow pad for better sweat control, Heat rated up to 350F (177C), Imported,