MK8 Evolution Hard Hat

High-Density Polyethylene (HDPE) Shell Meets and Exceeds ANSI/ISEA Z89.1-2009 Standard for Type II, Class E Universal Accessory Slots Deluxe Polyester Textile Strap Suspension with microfiber crown pad webbing. Side Penetration Protection in addition to crown penetration. Meets ANSI requirement for Reverse Donning and Lower Temperature. Offers Side Impact Protection which reduces the force of impact resulting from a blow. Wheel Ratchet Adjustment allows user to easily adjust fit while wearing. Complies with ANSI, ISEA. 11.375" D x 9.125" W x 7.375" H