The madison addict waterproof jacket built to take everything the great british weather can throw at it the addict 3 layer storm jacket is the ultimate mountain bike jacket constructed from a hard wearing fully seam sealed fabric that boasts 12 000mm waterproof and 15 000gms breathability to ensure you stay dry without overheating madison addict waterproof jacket features detachable 3d hood that39s been designed to integrate with a peaked mountain bike helmet fr