By Jerri Perry Think of competitive horse-riding and you probably see one of two images. One is of the rodeo cowboy in his leather chaps and boots that were designed specifically to fit more comfortably in the stirrups. The other image you may have is of a girl from an affluent family, sitting up straight in the saddle and wearing jodhpurs, a riding cap and a fitted jacket while competing in an event like dressage. Clothing lines like ZP176 make it possible for this type of rider to ride in style....