Nike Air Trainer 1 Mid SP (Monotone Vol. 1)The Nike "Monotone Collection Vol. 1" includes three models, an Air Trainer 1, Air Max 1, and Air Force 1, that all share the same simple, minimalist design. They feature a metallic woven twill toe box combined with speckled canvas on the upper, seamless Swoosh/tongue tag, and a matching tonal midsole.