Proton 4001 L
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- Proton 4001 L

Proton 4001 L
Non-ventilated HDPE safety helmet- universal accessories slot, dome shaped shell with 4-point suspension.
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| Shell | HDPE (High Density Polyethylene) |
| Ventilation | Non-ventilated |
| Suspension | 4-point Textile suspension |
| Head adjustment | Slip fit |
| Peak size | 48 mm |
| Accessories slot size | 30 mm |
| Internal vertical clearance | 36 mm |
| Wearing height | 96 mm |
| Circumference of Headband | 540 mm. – 620 mm |
| Cradle width | 20.51 mm |
| Chin strap width | 19.85 mm |
| Weight | 360 grams |
- Light weight safety helmet made of durable HDPE compounds
- Dome shape to provide complete coverage with flat ribs
- 4-point textile suspension for load distribution while impact occurs
- Slip fit adjustment for all head size
- Adjustable chin strap for customized fit and comfort
- High quality sweat band provides comfort
- Universal slots for hearing and faceshield accessories


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