HJC RPHA 70 ST Kosis Helmet.
A supreme sport-touring helmet designed for any ride from quick commutes to cross-country cruises. The RPHA 70 is exceptionally compact and lightweight as a result of the Premium Integrated Matrix (P.I.M. Plus) shell that provides enhanced shock-resistance with reinforcement materials that include carbon and carbon-glass hybrid fabric.
Features
- ECE & D.O.T. Approved
- Premium Integrated Matrix Plus (PIM Plus): Reinforcement materials, including Carbon and Carbon-Glass Hybrid fabric, provide enhanced Shock-Resistant performance. more comfort, and lightness of helmet.
- Dual-purposed Top vent : Intake and Exhuast of the top vent operates simultaneously for maximum air circulation. Rear vent switch for easy control of air
- HJ-26ST Anti-Scratch Clear Pin-prepared Shield. Comes with Skipfog Anti-fog insert (shield has pins for Anti-Fog insert). Eye glasses and sun glasses friendly
- Dual Shield lock System: Innovative Center one-touch shield lock with spring controlled lever. Up to 5mm intial shield position by releasing shield lock
- RapidFire™ II Shield Replacement System: Simple and secure shield ratchet system provides ultra-quick, tool-less removal and installation for efficient operations.
- HJ-L1 Integrated Sun Shield – New! bottom position operating System : Anti-fog smoke tinted 2-Stage Sun Shield system with positive (“UP” position) lock
- Emergency helmet release: Cheek pads are designed for safe / quick helmet removal in emergency and rescue situations.
- Multi-Cool™ Interior: Anti-bacterial, Polygiene® Infused silver chloride Technology. Anti-bacterial fabric with moisture-wicking and quick drying capabilities. Removable and washable crown / cheek pads.
- RPHA-70 ST comes with; Anti-Scratch Clear Pin-Prepared Shield, Anti-Fog Skipfog Insert, Sun Shield Smoke, Chin Curtain and Breath Deflector
- 5 Year Limited Warranty: For the original purchaser, guarantees the helmet to be free of defects in materials and workmanship
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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