Description The Delta Plus QUARTZ UP IV Vented Safety Helmet is a lightweight industrial helmet designed to provide dependable head protection with improved airflow. Manufactured from durable polypropylene, the vented shell helps keep the wearer cool in warmer working environments. The helmet features an 8-point textile harness and D-ONE Rotor wheel ratchet adjustment for a secure and comfortable fit across head sizes 53–63cm, making it suitable for construction, maintenance and general site work. Key Features Durable polypropylene helmet shell Vented design for improved airflow 8-point textile suspension harness D-ONE Rotor wheel ratchet adjustment Head size range: 53–63cm Accessory slots for ear defenders and visors Lightweight construction (350g) Temperature resistance: -30°C to 50°C Standards EN 397:2012 – MM, -30°C / 50°CIndustrial safety helmet performance
