The polo shirt — the one worn while riding horses and swinging mallets — was invented near the turn of the 20th century (the fin de siecle, if you’re fancy). Its more-athletic evolution, the tennis polo, came into play in the 1920s, and was later adopted by golf and, subsequently, as a casually elegant, versatile wardrobe staple. For some years there was a harmony — what was good enough for sport was good enough for style. With that, the polo enjoyed a glorious duality. Somewhere, somehow, things changed: As sport advanced, the needs of athletes became more nuanced and the fabrication of the polo shifted from pique cotton to more progressive materials. This resulted in two general iterations: a polo for sporting pursuit and one for relaxing. The Nike Polo comes in quality colors The Nike Polo renews the garment’s happy equilibrium by retaining a traditional fit and feel and combining it with an innovative, proprietary fabrication. "It was important to nail the traditional a...