The Venice Aero Jersey is Heini’s answer to the needs of the cyclist looking for the next advantage. Aero fitting jersey constructed from a blend of top quality fabrics from Italy: if you want to move fast, this jersey has it all. The Venice Aero is constructed with peloton-proven lightweight technical fabrics to keep you performing at your best mile after mile. AG-nano technology accelerates moisture management to transfer sweat away from the skin and provide optimum temperature regulation. An added antibacterial treatment keeps the Jersey fresh all season long. A full length zip adds a ventilation option on long climbs. Three vertical drop pockets are at the lower rear of the jersey, one with internal radio routing. A further small, secure zipped pocket is located in the sides with reflective tape.. this is a high performance jersey for riders who demand performance from their kit so they can focus on their ride. size ref : XS 36-38 : S 38-40 : M 40-42 : L 42-44 : XL 44-46 : 2XL 46-48 , All pictures shown are for illustration purpose only. Actual product may vary due to product enhancement.