L 7 3/8 - 7 1/2 59 - 60 23 - 23 1/2. M 7 1/8 - 7 1/4 57 - 58 22 1/4 - 22 5/8. S 6 7/8 - 7 55 - 56 21 1/2 - 21 7/8. XS 6 5/8 - 6 3/4 53 - 54 20 7/8 - 21 5/8. EYEWEAR COMPATIBLE: Using prescription glasses or a preferred pair of shades is now possible with eyewear arm pockets woven right into the interior liner.
