i saw these at the adidas concept store in berlin. Go there, they are dumb.
Store's on Torstrasse, go check it http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=berlin&sll=37.0625,-95.677068&sspn=49.844639,103.007813&ie=UTF8&hq=&hnear=Berlin,+Germany&ll=52.529019,13.407695&spn=0.001178,0.003144&t=h&z=19