The 3M™ Ratchet Adjustment Front Brim Hard Hat is an ideal protection solution for a wide variety of tough working environments. Featuring a ratchet adjustment system, finding the perfect fit for any head shape is as easy as simply turn the knob in the back to adjust and center. Combined with a durable shell, this suspension system works in tandem to help absorb impacts and protect the wearer.3M Hard Hats are engineered to provide comfort, protection, balance, and stability. Made for the professional and the DIYer who's ready to elevate their job site protection, these hard hats deliver the performance you come to expect from 3M products with comfort technology that enables all-day wear. Choose 3M Hard Hats designed for the hardest workers who need the hardest-working equipment.