When Christophe Decarnin was Balmain's creative director, he made one of the best pullover side-zip hoodies of all time. These would sell out REALLY quickly. I've included the Mint/Turquoisie and the black one.

http://4.bp.blogspot.com/-4Mx__dhQT7A/Uqwt_1YIpEI/AAAAAAAAGWQ/dZVw4OBZujY/s1600/balmain-turquoise-washed-pullover-hoodie-side-zip-detailing.jpg

http://cdn-i3.farfetch.com/10/11/94/62/10119462_695978_1000.jpg

https://scontent-a-ams.xx.fbcdn.net/hphotos-xap1/t1.0-9/12101_617409038309013_858443036_n.jpg