A turf aerator footwear kit including a footwear body, such as a boot, having an outsole disposed on an entire sole of the footwear body with threaded receptacles disposed in the outsole and a plurality of at least one of a first spike and a second spike, wherein each of the plurality of first spikes and the plurality second spikes is engageable to a respective one of the plurality of threaded receptacles. Each first spike and each second spike has a solid substantially frustoconical shaft and central shank, respectively, with a concave wall between a respective flat top end and flat bottom end and a flat upper end and flat lower end. A plurality of spiking tines coaxially extends from the central shank of each second spike. At least two of a pair of the spiking tines is disposed on diametrically opposite sides of the bottom edge.