Alpinestars GP Force Chaser 1-Piece Leather SuitComes fitted with Nucleon Bio Flex hip protectors Inner knee suede reinforcement for grip on the bike Perforated leather panels are strategically positioned to offer excellent levels of cooling airflow and comfort Stretch panels on abdomen, under the arms, on the arms, crotch and back of leg for an optimum high performance riding fit Aerodynamic back hump is ventilated for maximum airflow Removable and replaceable Sport slider offers superior