LEATT Jacket 4.5 X-FlowLiightweight, ventilated shell with X Flow front and rear mesh and Spandura stretch panels for comfort Pre curved, zip off arms Rear internal hydration pocket suspension system to hold bladder for up to 3 liters Neck collar that works with: no neck brace Neck brace uncovered sitting outside the collar Tailored cut for moto riding with or without body armor Top quality YKK zippers Multi row reinforced stitching for durability Brush guard fabric for