HJC F70 Red Bull Spielberg Helmet.
Features:
- Lightweight fiberglass composite shell
- Advanced Channeling Ventilation System (ACS) with front to back channels for airflow and 13 vent holes
- SuperCool liner and cheek pads are moisture-wicking and antibacterial
- Includes clear HJ-26ST Pinlock-ready anti-scratch shield
- Tinted internal HJ-V9 sun visor
- Crown and cheek pads are fully removable and washable
- Patented One-Touch sun shield mechanism deploys and retracts quickly and easily
- Breath deflector and chin curtain included
- D-ring chin strap closure
- Speaker pockets
- Bluetooth-ready design accepts SMART HJC 10B or 20B Bluetooth Systems
- DOT and ECE approved
Sizing

Wrap a tape measure horizontally around your forehead. Select the helmet that is the closest fit to that size. A helmet should fit snug on your head. If it moves while wearing, it is too large. If it is painful to wear, it is too small.
| Size Chart | |||
| Size | CM: | Hat Size | Inches |
| 2XS | 51-52 | 6 3/8 – 6 1/2 | 20 – 20 1/2 |
| XS | 53-54 | 6 5/8 – 6 3/4 | 20 7/8 – 21 1/4 |
| S | 55-56 | 6 7/8 – 7 | 21 5/8 – 22 |
| M | 57-58 | 7 1/8 – 7 1/4 | 22 1/2 – 22 7/8 |
| L | 59-60 | 7 3/8 – 7 1/2 | 23 1/4 – 23 5/8 |
| XL | 61-62 | 7 5/8 – 7 3/4 | 24 – 24 3/8 |
| 2XL | 63-64 | 7 7/8 – 8 | 24 3/4 – 25 1/4 |
| 3XL | 65-66 | 8 1/8 – 8 1/4 | 25 5/8 – 26 |
| 4XL | 67-68 | 8 3/8 – 8 1/2 | 26 3/8 – 26 3/4 |
| 5XL | 69-70 | 8 3/4 – 8 3/4 | 27 1/4 – 27 5/8 |
















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