Now in a larger size for adults, these face masks are perfect for use with cochlear implants, hearing aids, glasses, or other devices that sit on the ear. Double layer cotton construction has a front pocket for an optional insertable filter (not included). Rear toggle clasp and sturdy, elasticized cord comfortably secures the mask behind the neck and over the head. Design allows for convenient wear around neck when not in use. Available in adult medium and large sizes (large recommended for most men), in Marine and Spruce with contrasting liner.