Compressport TR3 Aero Top Made in an On/Off fibre, it breathes with you whatever be your effort. Air circulates in and out and allows a perfect balance between exterior and interior, so the body always remains at the same temperature. A knit without hems guarantees light and flexible sleeves that cause no friction or pressure to the arms - It is fitted with 6 properly structured and easily accessible pockets to help organize your nutrition, phone and tablets. Ergo shaping, it guarantees postural alignment to your shoulders in order to boost breathing and improve oxygenation - Its ergonomic fit suits every morphology, whatever be the effort Its ergonomic cut, longer behind than in front, matched with a silicone interior that helps the back remain well covered even when biking - A V-neck collar prevents chafing and rubbing in sensitive areas. The silicone interior helps absorb shocks and revitalizes muscles through micro massages - The front zip offers maximum comfort and freedom to the rib cage. The locking head does not slip.