at cashel®, they are dedicated to helping blaze the trail in the fight against breast cancer. that is why they donate 5% of the proceeds from each pink-trimmed fly mask to the susan g. komen foundation. your support can help make a survivor story possible. the standard mask is the classic fit, protecting eyes, cheeks and forehead from flies and sun without impeding vision. the standard with ears mask has all the benefits of the standard mask, with soft micromesh nylon sleeves to protect the ears.