Castelli gabba2 jerseycastellis gabba 2 is the second generation of the garment that launched an entirely new category some magazines call it the rain jersey but pros just simply call it the gabba castelli has slightly tweaked the fit and improved the drop tail and pockets but otherwise theyve kept with the winning formula of warmth breathability and water repellency protects from wheel spraythis short sleeve gabba 2 also features a silicone gripper at the waist to prevent ride up a fu