Air Max Alpha Trainer 4 sneakers Nike's Air Max Alpha Trainer 4 sneakers are all about comfort and stability. They're crafted with durable mesh and constructed with supportive padding, tough eyestays and overlays that let the foot breath. Underneath, a rubber sole with a Max Air unit completes the design with better cushion and traction.  Highlights - Grey - Mesh panelling - Signature swoosh logo detail - Round toe - Front lace-up fastening - Logo patch at the tongue - Branded insole - Rubber sole - Signature exposed air unit - These styles are supplied by a premium sneaker marketplace. stocking only the most sought-after footwear, they source and curate some of the most hard to find sneakers from around the world. Imported Composition Sole: Rubber 100% Mesh 100%