This vest has a hook and loop front closure

Hook & Loop Cell Phone Pocket at the Chest

Offers protection against a wide range of non-oily particles & Airborne Liquid particulates

EN ISO 13688

Pyramex® Dielectric Hard Hat Mounted Passive Earmuffs - 23 NRR - CMFB6010 ARC Rating_ATPV 10 calories/cm² This vest has a hookPyramex Dielectric Hard Hat Mounted Passive Earmuffs 23 NRR CMFB6010 Features NRR 23dB Cap mounted earmuff fits slotted full brim hard hats. Dielectric. Soft foam ear cups. Easily accessible while working. Flip down over ears to use or flip up when not in use. Individually packaged. Shown with vented Ridgeline full brim hard hat sold separately. ANSI S3. 19 CMFB6010 Series Specification