adidas Originals ZX 22 BOOST Shoes The adidas ZX series has always been rooted in innovation. A continuous exploration of how things can look, feel and move better. Take these ZX 22 BOOST shoes. Soft EVA teams up with a plush JET BOOST drop-in to support every step with absolute comfort. Reflective overlays flash from the breathable mesh upper, catching the light as you move through the day. Made in part with recycled content generated from production waste, e.g. cutting scraps, and post-consumer household waste to avoid the larger environmental impact of producing virgin content. Material Content: Leather Lining: Textile Material: Leather Sole: Other Materials Upper: Leather Lace closure Mesh upper with stitched suede overlays Textile lining EVA and JET BOOST midsole Rubber outsole 25% of the components used to make the upper are made with a minimum of 50% recycled content