sony mdr ex71 replacement cord

Hey, wondering if anybody could help me.

I have the sony MDR EX71 headphones, but i have lost the extension cord. it was a metre long, and i thought it was a bit too long anyway so i was going to get a new one.

the headphones themselves are too short to reach your ears if you have them in a pocket, so i was wondering if anybody knew anywhere that sold extension ones of various sizes.

the only ones i can really find are a couple of metres long, i was looking for a black one less than 1 m if that helps.

thanks in advance.