Alpinestars trailstar ss jerseythis trailstar jersey from alpinestars is made from an advanced poly fabric a moisture wicking and quick drying fabric to keep you cool dry and comfortable all day this short sleeve jersey has extensive stretch mesh inserts on the side for superior ventilation and an elongated lower back profile to help maintain its fit when cycling featuresconstructed from advanced cotton feel poly fabricquick drying and moisture wicking fabricextensive stretch mesh inserts on