- Description
- Frequently Asked Questions
- Delivery & Returns
Whether it’s hard-charging trails or hammering hills, the 100% ALTEC is the rider’s choice for an incredibly lightweight, ventilated and protective trail helmet.
Featuring the Smartshock® Rotational Protection, the ALTEC’s patented Smartshock® elastomers begin defusing rotational crash energy immediately upon impact.
• Smartshock® Rotational Protective System (14 point)
• Multi-Density EPS foam injection molded with polycarbonate in size specific molds(XS/S, S/M and L/XL)
• Massive airflow with an impressive 15 ventilation ports
• Expanded coverage while still lightweight
• Integrated sunglass storage system
• Multi-point adjustable visor designed for maximum vision and goggle stowage
• Washable, moisture-wicking anti-microbial liner
• Adjustable ratcheting fitment system
• Fidlock SNAP magnetic buckle (NEW for 2021)
Sizing Guide
| AIRCRAFT & STATUS | Inches | Centimetres | Liner Size |
| XS | 20 7/8 - 21 1/4 | 53 - 54 | 14 mm |
| S | 21 5/8 - 22 | 55 - 56 | 12 mm |
| M | 22 1/2 - 22 7/8 | 57 - 58 | 12 mm |
| L | 23 1/4 - 23 5/8 | 59 - 60 | 14 mm |
| XL | 24 - 24 3/8 | 61 - 62 | 14 mm |
| XXL | 24 3/4 - 25 1/4 | ||
| TRAJECTA | Inches | Centimetres | |
| S | 20 1/2 - 22 | 52 - 56 | |
| M | 22 - 22 7/8 | 56 - 58 | |
| L | 22 7/8 - 24 | 58 - 61 | |
| XL | 24 - 25 1/4 | 61 - 64 | |
| ALTEC | Inches | Centimetres | |
| XS/S | 19 5/8 - 21 5/8 | 50 - 55 | |
| S/M | 21 5/8 - 23 1/4 | 55 - 59 | |
| L/XL | 23 1/4 - 24 3/4 | 59 - 63 |
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