NIKE Men's Zoom CJ Trainer 2, Black/Metallic Silver-White Mesh upper with synthetic leather overlays for ventilation and durability. Phylon midsole and Nike Zoom units in the heel and forefoot for impact protection. Midfoot strap pulls from underfoot for a snug feel. Flywire technology integrates with the midfoot strap for lockdown. Lateral crash pad foam cushions the forefoot during quick cuts.