The simplicity of the construction of the Castelli Body Paint Tri Top is what makes it the ideal top for the triathlete. The one-piece construction with no seams won’t rub against your skin in either the run, swim or bike leg of a triathlon so the comfort will help your performance. Aerodynamics is enhanced with the two pockets with fairing flaps and the full-length YKK® zipper gives you enough room to open when you need a little air to cool down your body in either the run or bike leg.