Nike Air Max 90 Nike introduced its Air Cushioning Technology in 1979 by embedding Air Cushioning in the midsoles of its trainers. Eight years later, the Nike Air unit became larger, meaning greater cushioning & comfort & was made visible for the first time in the Air Max trainer ensuring that it is unmistakable. The Nike Air Max 90 delivers comfort & style with a premium look. The Details Lace-up fastening. Durable foam midsole. Max Air heel unit for impact protection. Rubber waffle outsole for traction. Padded collar & lining., size 12