BIKO short sleeve cycling jersey has a sophisticated anatomical race cut with quality materials (Micro and Mondrian). The bottom of the jersey is fitted with a silicone rubber for a perfect fit on the body. It has three pockets on the back of the jersey and reflective elements on the front and back.
More info about the sizes here: http://www.eleven-sportswear.com/size-charts
The Jersey has a Czech flag on it.