Syco's anti-stab clothing is deemed capable of stopping a knife attack from an adult male. But bears are more powerful than adult males. However, Sasada said no one knows for sure whether its existing products can withstand bear attacks. He needs to collect data and consider standards for the specific use. And because stab-resistant garments are designed to protect the wearer's chest and torso, it is also necessary to shield the head. According to a survey conducted by Akita University's Advanced Emergency and Critical Care Centre, 90% of bear attack victims suffered facial injuries.