Answer:
The helmet has a peak size of 40 mm, an internal vertical clearance of 31 mm, and a wearing height of 95 mm. It accommodates headband circumferences from 530 mm to 600 mm and weighs 370 g for slip-fit models or 378 g for ratchet-fit models.
The Udyogi ULTRA 5000 Series Blue safety helmet (KT SKU: KTI15018001UG50_BLUE) is engineered to exact technical dimensions as specified in the manufacturer technical data sheet:
- Headband Circumference Adjustment: 530 mm to 600 mm
- Peak Length: 40 mm
- Internal Vertical Clearance: 31 mm (consistent across plastic and textile suspension systems)
- Wearing Height: 95 mm
- Cradle Width: 24.58 mm
- Chin Strap Width: 19.85 mm
- Helmet Weight: 370 grams (slip-fit models) / 378 grams (ratchet-fit models)
- Ventilation: Non-ventilated solid HDPE shell
