Industry 1st, PTFE All Weather Lubricant in a recycleable refill pouch.
 
No matter what the weather throws at you this lubricant can handle it. Designed to repel water and to work fast whilst still being biodegradable, also to keep the chain clean and protected with the added PTFE.  Ideal for those long rides on road or off road where the weather can change so easily. Penetrates every single chain link.