The Flexair is worn by the best to do their best. It is so lightweight you\'ll forget it\'s there, but it\'s plenty robust enough to withstand trails, tracks and your own backpack. All-way stretch means you have full range of movement on downhills or screaming round curves. The lasered side vents also keep temperatures down when the incline arrives.TruDri fabric - offers excellent breathability & moisture wickingSuper-light stretch TruMotion fabric and constructionDurable Water Repellent (DWR) finish - sheds light moistureRemovable liner - dual density fabric to improve saddle comfortRace ratchet closure - secure and quick adjustment to fitBody-mapped laser-cut side ventsFabric: 87% polyester / 13% spandexColour: Green