1. Material: ABS
2. Adjustable hood size: 57-81cm
3. T-shaped 360 degree +180 degree special design, which can be adjusted according to your needs
4. Ergonomic design, comfortable to wear
5. Knob design, more agree with the adjustment
6. Leather sponge pad, more breathable
7. There are 3 modes to choose from, suitable for all kinds of people
8. Net weight: 209g
9. Size: 200x195x55mm