Answer:
The Udhyogi UI 1211 features a slip-fit headband adjustable from 53 cm to 61 cm (530 mm to 610 mm), a 48 mm front peak, 30 mm universal side accessory slots, 36 mm internal vertical clearance, 90 mm wearing height, 20.51 mm cradle width, 19.85 mm chin strap width, and a net unit weight of 286 g (per manufacturer specification).
The Udhyogi UI 1211 Industrial Safety Helmet (Yellow) is engineered to precise physical and dimensional specifications to ensure reliable impact protection and secure ergonomics:
- Headband Size Range: 53 cm to 61 cm (530 mm to 610 mm) via slip-fit adjustment mechanism.
- Unit Weight: 286 g (per manufacturer specification).
- Front Peak Length: 48 mm for overhead deflection against falling debris and protecting eye and face from falling objects.
- Accessory Slot Dimensions: 30 mm universal side slots.
- Internal Vertical Clearance: 36 mm between the crown and harness.
- Wearing Depth / Height: 90 mm.
- Cradle Width: 20.51 mm.
- Chin Strap Width: 19.85 mm with secure anchor clip.
- Shell Profile: Non-vented dome profile molded from High-Density Polyethylene (HDPE).
