spark flyknit running sneakers. upper made with nike flyknit technology, breathable and water resistant. swoosh embroidered in contrast on the tip. micro swoosh on both outer sides. laces and fabric hooks. two-tone elasticated tongue. enveloping collar in stretch fabric. reinforced back patch with fabric loop to make it easier to put on. fabric lining and insole. multilayer midsole and rubber and soft foam sole. sole height 3-4. 5 cm. numbering in us sizes.