| Pro-Tec Size Chart | |
|---|---|
| 53 - 54 cm | Small |
| 55 - 56 cm | Medium |
| 57 - 58 cm | Large |
| 59 - 60 cm | XL |
The ProTec B2 Bike helmet is a sweet blend of classic style and revolutionary technology, the B2 educates all others in design, comfort and safety. Ageless flare and four different shell sizes make the B2 fit right on your head. New multi-impact SXP technology can take lots of hits, so your wallet doesn't have to. This is the new choice of the world's top pro riders like Stephen Murray, Alistair Whitton, and Cory Nastazio. Helmets come complete with each rider's sponsor sticker sheet.
SXP multi-impact technology is Surface activated eXpanded Polypropylene is ideal for the aggressive rider. When foam padding takes a hard hit in conventional helmets, it compresses to absorb the blow and stays compressed, losing its impact absorbing capabilities. SXP has an advanced chemical structure that when combined with the sophisticated process used to create SXP helmet liners provides multiple impact protection.
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