The Nike Air Stab - Foot Patrol black / skylight - vintage purple - light silver - maize is a collaboration between Nike and Foot Patrol, the famous London sneaker shop.� It features a variety of colors in its colorway, and is constructed from synthetic and black mesh.� The mesh is typical in running shoes, as it is a lightweight, thin material which allows the foot to breathe.� The Nike Air Stab features tons of terrific design and serious running technology, including the Footbridge stability device which keeps feet straight, in place, and securely cushioned, breathable mesh upper with microfiber structuring details and swoosh, heel cap and of course the patented air cushioned sole, with the unique stabbed side window. In this case, the heel cap is grey and features purple specs on it.