The light, water and windproof Cristallon body, with long zipper can be folded up extremely small and compact and can therefore be taken anywhere in the back pocket of a jersey. The fabric of the body is transparent, allowing the color, the design and the text on a cycling jersey to remain visible. For optimal internal ventilation the sides of the Cristallon body has ventilation inserts. Reflective Bioracer logo’s lights up in the dark as an added safety feature. Apart from the Cristallon body, this Bioracer product is also available as a rain jacket with long sleeves. Both the body and the rain vest can be used quickly as extra top clothing in the event of sudden cold or wind.