CLASS E, TYPE 1 PROTECTION: Tested up to 20 kV and compliant with ANSI Z89.1-2014 (HT/LT), CSA Z94.1-15, EN397:2012+A1:2012-5.2.4 (LD), and EN12492:2012-4.2.1.2, 4.2.1.3, 4.2.1.4 for front, back, and side impact protection PATENTED ACCESSORY MOUNTS: Front and rear mounts allow multiple accessories to be attached securely and strap-free UNIVERSAL ACCESSORY SLOTS: Compatible with face shields, hearing protection, and more jobsite-ready customization FLEXIBLE SUSPENSION SYSTEM: Open-frame design promotes airflow and adjusts for a secure, balanced fit that stays comfortable through long shifts LARGE KNOB RATCHET: Easy, one-handed adjustment with large knob ratchet mechanism, even with gloves on; soft neck pad pivots to clear bandana knots MACHINE-WASHABLE SWEATBAND AND TOP PAD: Breathable, sweat-wicking pads provide long-term comfort and are easily removable for cleaning or replacement MADE IN USA: With Global Components