What word(s) can I use to differentiate between the degrees of casualness in the first five outfits versus the second five?

Are there any terms that would INclude the first five outfits and also EXclude the second five outfits?

First five (less casual):

http://cdn12.lbstatic.nu/files.....1367296228

http://images2.chictopia.com/p.....ey_400.jpg

cdn12.lbstatic.nu/files/looks/medium/2014/05/05/3743547_OOTD5_5_2014_(3).jpg

http://www.ashnfashn.com/wp-co.....dress4.jpg

http://smalltownbigwardrobe.co.....G_5315.jpg

Second five (very casual):

http://cdn11.lbstatic.nu/files.....1423734516

http://cdn11.lbstatic.nu/files.....1403562086

http://manrepeller.wpengine.ne.....ler-18.jpg

http://s-media-cache-ak0.pinim.....773a8d.jpg

http://ohjuliaann.com/wp-conte.....08/038.jpg