Cosplay fangirls AND fanboys love donning arm sleeves. You used to see them only on ladies on their wedding day or prom dates wanting to look extra glamorous. Now, arm sleeves are making it as an everyday wearable. Almost all sports enthusiasts also wear them for joint support and for better circulation--from basketball, to vollyeball, to table tennis. Take a look at this seeming odd fascination about the sexiest upper garment-arm wear for all occasions.