Adidas ZX Flux. Adidas ZX Flux shoes have sporty, nevertheless classic design style. Shoes help each athlete use his opportunies. Get inspired by the best ones! Originality guaranteed. Shipping from 4 €. Midsole: EVA - most commonly used as a midsole material, because it has very good shock-absorbing effect, it also excels among other materials in its crack resistance and elegant smooth surface. Sole: Rubber - a material that is very easy to maintain and you will appreciate it especially in rainy weather.