Petzl Vertex Vent HI-VIZ Helmet | Gravitec Systems
Vector Helmet | Black Diamond Climbing Gear
10 Pcs Helmet Clips for Headlamp,Headlamp Hook,hard hat Light Clip,Helmet Clip,Hard Hat Accessory Easily Mount Headlamp on Narrow-Edged Helmet - - Amazon.com
ANSI Vented Climbing Hat Combo with Weatherproof Headlamp – Technopack Corporation