Radians Quartz Series Full Brim Hard Hat with Six-Point Suspension (Pinlock or Ratchet).
ISI Emergency Escape Breathing Apparatus (EEBA).
RKI Instruments GX-2009 Multi-Gas Monitor ... configure it the way you want it.
FallTech DuraLite PLR Cable Series Self-Retracting Lifelines (SRLs) with Stainless Steel Cable.
GfG G450 4-Gas Monitor with 3-Year Sensor Warranty.