Chainsaws, by definition are a dangerous piece of machinery, they can not only cause grave injury by cutting you, they can also damage your hearing or your eyes as a result of all the wood chips flying around, especially if it's windy. That's why it's sensible to wear a full chainsaw safety kit such as the one offered here which includes bib n brace chaps, gloves, hard hat, ear and eye protection.
One size seatless trousers ( Chaps) Chainsaw safety gloves Helmet with integrated visor and ear defenders
A chainsaw by it's very nature is a dangerous piece of equipment, if it can cut through tough wood logs like a hot knife through butter, just take a moment to think what it could do to you, so always ensure you work safely and wear the correct safety equipment such as this chainsaw safety kit when operating your chainsaw.