Nike Air Trainer 1 Mid Premium QSFirst released in 1987, the Air Trainer 1 is considered Nike's first cross-trainer and was designed to give you the support, cushioning and traction you need during all your workout activities. They feature a leather upper, mid-cut design, sidewall for stability, forefoot strap, and great multi-directional traction. The Nike Air Trainer 1 was famously endorsed by two-sport athlete, Bo Jackson.