Breathing in a full-face motorcycle helmet should not be significantly difficult if the helmet is properly designed and fitted correctly. Modern full-face helmets are typically equipped with ventilation systems to provide airflow and prevent the buildup of heat and moisture inside the helmet. These ventilation systems include vents and channels that allow air to circulate, making breathing easier.
Some people may initially feel a slight restriction or difference in airflow when wearing a helmet due to the enclosed design, but this sensation is generally not severe enough to impede normal breathing.
It is crucial to choose a helmet that fits properly and allows you to breathe comfortably. Ill-fitting helmets that are too tight or too loose can cause discomfort and potentially affect your breathing. When purchasing a motorcycle helmet, it's recommended to try on different sizes and styles to find the one that fits your head shape and size correctly.
If you experience difficulty breathing or discomfort while wearing a helmet, it's important to consult with a professional to ensure that the helmet is suitable for your needs and properly adjusted.