1. Daz's V3 and SP Clothing Pack contains a skirt with most (if not all) or V3's body morphs.
   http://www.daz3d.com/shop.php?op=itemdetails&item=2316

2. Again from Daz: Morphing Face Mask can be made into a variety of shapes and styles, and you can add your own desired texture:
   http://www.daz3d.com/shop.php?op=itemdetails&item=2228

3. Royloo has some free sunglasses for M3 which could probably be retextured for clear glass:
   http://www.royloo.com/free.php

As an alternative to 1, you could invest in PhilC's Wardrobe Wizard plug-in, which will allow you to fit clothing from one character to another - so you could use a free V3 skirt or the required length but without morphs, and then fit it to a morphed character.
http://www.philc.net/WardrobeWizard.htm

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"you are terrifying
and strange and beautiful
something not everyone knows how to love." - Warsan Shire