3M Hard Hats are engineered to provide comfort, protection, balance, and stability to help keep DIYers and professionals safe. 3M Non vented Hard Hat with Pin Lock Adjustment is worn to help protect the head from possible impact. Comfortable suspension sits lower on head to reduce pressure points and increase security. Features a pin lock system for easy size adjustment. Optimized comfort with 3 levels of height adjustment Replaceable standard brow pad Lightweight protection and durability for extended comfort Short brim for better upward visibility Yellow, low profile hard hat for improved stability and balance Made in the USA with globally sourced materials ANSI compliant when worn in the forward and reverse donning positions Meets requirements of ANSI Z89.1-2014 Type 1, Class G and E Meets CSA Z94.1-2015 Type 1, Class G and E requirements