Sold as 1 Each. Suspension system incorporates exclusive patented SecureFit Pressure Diffusion Technology. Premium washable and replaceable sweatband with moisture-wicking material is designed to help keep workers cool and dry. Comfort pad on back of suspension is designed to distribute force and increase ease of wear. UVicator sensor lets wearers know when to replace hard hat due to UV exposure. Compatible with cap-attached 3M hearing protection and communication products, a variety of 3M faceshields and other accessories. Customize your fit with multiple levels of height and head-shape adjustments.