Castelli seems to be able to do no wrong with its Gabba line of jerseys. In fact, if we were forced to identify any Gabba related mistake, it might be that there's no fluo option in the convertible model. Or at least, there wasn't until we partnered with Castelli for the loud, noticeable, Limited Edition of the Gabba 2 Convertible Jacket. Whether you're spinning through spring showers with the sleeves off or grinding out winter base miles with the sleeves intact over a weighty base layer, this exclusive limited edition's retina searing color will help keep you visible to motorists in dreary, overcast conditions. With even more versatility added in the form of removable sleeves, the convertible Gabba allows you to stay warm and dry as you ride in the cold without sacrificing the exceptionally streamlined fit that made it such a clandestine presence in the peloton. Like its static long and short sleeve counterparts, the convertible's main body consists of Gore's Windstopper X Lite Plus fabric, which is Castelli's go to material to block wind and repel water while still allowing for ample freedom of movement on the bike. We're glad we've left the days of stiff, ill fitting windbreakers that trap air and moisture next to the skin far behind us, and the Gabba Jacket's rapid moisture transfer and breathability is irrefutable proof of that. Nano Flex fabric inserts on the arms add more compliance to the jacket, while the storm flap extended back hem protects against cold wheel spray with a silicone gripper to keep it in place. While Castelli recommends using the Gabba Jacket in temperatures ranging from 43 64 degrees Fahrenheit, we'd add a base layer and ride into the high 30s with confidence. We recommend sizing up if you plan to layer with anything heavier than a summer weight base layer. When the sleeves are attached to the jacket, the zipper and seam are skillfully integrated into the design so that they're difficult to see without knowing they're there. On da...