Shure EASFX1-10S (Small) (Sm Black Flex Sleeves - 5 pr)
Because every ear is different, Shure sound isolating earphones come with a broad assortment of sleeves to ensure a personalized fit, as well as to ensure proper sound isolation.  These flexible reusable sleeves fit comfortably in the ear and allow for ease of insertion.  Small size - choose carefully for the best personal fit.  For use with the E1c, E3c and E5c Shure Sound-Isolating earphones.