Does this mean you should wear a floral cami top for an athletic look? No.
But it highlights already-familiar female stereotypes on an adventurous background: Spring = outdoors = florals, prints, layers, and all our favorite gently saturated blues, greens, pinks, and yellows.
And don't forget to check out the still of the dudes, waving approvingly to the pretty ladies on bikes -- they have the standard button downs, plaids and layers that we see on guys in most commercials.
Safety note to anyone wearing a long dress while biking: don't get it caught in the gears.