3M Yellow Ratchet Adjustment Non Vented Hard Hat

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 ratchet adjustment for custom. on-head sizing. Suspension sits lower on the head to reduce pressure points and increase security. Features a smooth-turning 4-point ratchet suspension system and provides optimized comfort with 3 levels of height adjustment. Part of the 3M Pro series safety products line. this hard-hat was designed for the way pros think. the way they shop and the way they work.