Kemppi – Designed for welders on X: "Convert a safety helmet into a welding helmet! 𝗧𝗵𝗲 𝗕𝗲𝘁𝗮 𝗲𝟵𝟬 𝗳𝗼𝗿 𝗦𝗛 product range is compatible with the Kask, Petzl and Zekler hard hats
VERTEX® Canada Version, Comfortable helmet - Petzl USA
Petzl Vertex Helmet with Sena, 3m Peltor Ear Muffs, Vizir Shadow
3M Peltor X4 Earmuffs - Safety Access & Rescue
SENA Integrated Communication System - DIY | TreeStuff