A standard fly mask is not generally used while riding, as the stiff mesh interferes with the bridle and the minimal visual impairment of the mesh still presents a safety issue. Other styles of insect protection gear are designed for use with a bridle.
A standard fly mask is seldom utilized during horseback riding because its rigid mesh impedes the bridle and even minor visual obstruction from the mesh can be unsafe. Various other forms of insect protection equipment are tailored to work alongside a bridle.