Originally Posted by フェデラー
Yup they are indeed 94% Nylon, 5%Rubber, 1% Spandex. Says it right on the back of the package. These must be TW exclusive because nike.com and TWE do not have these, nor do other tennis outlets.
I don't think it's TW exclusive. NNNxxxx product number is for general release product number. I've seen these number before.