Have worn specs on bike every day for years - my cycle specs have reaction lenses and heavy anti scratch coating. Also to keep them planted in place most opticians should be able to put small o rings inside the hinges - they work really well and stop any slippage
Have worn specs on bike every day for years - my cycle specs have reaction lenses and heavy anti scratch coating. Also to keep them planted in place most opticians should be able to put small o rings inside the hinges - they work really well and stop any slippage