There are no noticeable flaws that I can see but these shoes are gently used so please zoom in on pics for details on condition to ensure they are up to your standards before purchasing.Only worn a handful of times. Little to no wear on tread. I would describe the blue as a royal blue or bright blue. All shoes are disinfected with fragrance free, non toxic, chemical free disinfectant spray or UV light sanitized.If you have any questions please ask and I will respond shortly!Thanks for looking!