The castelli body paint 2 tri top boasts a lightweight and streamlined design that facilitates performance without compromising comfort crafted from a castellis featherweight and aerodynamic velocity fabric this essential piece of racing gear features a flat arm hole trim and minimal seams ideal for long distance events a ykk camlock half zip to the front allows optimal ventilation and there are also convenient aero optimised pockets to the back for storing your ipod phone or other valuab