The combination spike that combines a standard steel spike with the benefits of a soft spike. Unsurpassed comfort. Unparallel traction. Innovative wear indicator. Easy to change and clean. Twice the durability of nearest competitor. Green friendly. Fits Allen Edmonds, Cutter Buck, Ecco 2007 Men's Flexor, Ecco Women's Casual Pitch, Hi-Tec (after 2005), New Balance, Nike, Puma and Southport.