Whether you're on the job or visiting a work site， take safety into your own hands with the 3M Professional Non-Vented Hard Hat. The durable shell and suspension system work in tandem to help absorb impact of small objects striking the top of the hard hat and the pinlock suspension offers a customizable fit for every member of your crew. The lightweight feel is great for all-day wear. Don't take chances when it comes to your safety–equip yourself with the protection of the 3M Professional Non-Vented Hard Hat. 3M Hard Hats are engineered to provide comfort， protection， balance and stability to help keep Diyers and professionals safe. 3M Full-Brim Non-vented Hard Hat 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.