MULTICOLOR!!!!!

Not really sure when this screen cap was since i just stumbled upon it on Soompi....so anyway.....
SHINee's Taemin here is wearing

JOYRICH FW2011 MULTI NEON RIBBED CREW NECK SWEATER get here

This top seems to be popular to idols since these guys were also seen wearing it...

B1A4's SANDEUL (LOVE TARGET MV)

MBLAQ'S LEE JOON

Credit: soompi forums, red and rosy (for Beautiful Target caps), Joyrich