Does anyone have any recommendations for a cooling vest for dogs, during hot weather? I have a ruffwear swamp cooler for Duke, for hikes during hot weather that works well for him but am going on a canoe based backcountry camping trip in a few weeks and will only be bringing Mavrick, who is too small to wear Duke's large size cooling vest. Having a dog joining in on the trip, were going to do most of our paddling earlier morning, in the canoe I'm going to have a cool bed that can be soaked with water, and also make a tarp area overtop to provide shade. Still, it has been averaging between 26-30 (celcius) most days here, and going into the backcountry, I'd like to have a cooling vest in addition to other safety precautions to be safe. Duke's not coming along the trip because of his artheritis, I think it would be too uncomfortable for him being in the canoe for 4-6 hours a day. Mavrick on the other hand would love it, but I don't want to bring him if he can't come along and be comfortable and safe. I was looking at the RPCM style Chilly Dog vests, there supposde to be used for military dogs, there a little out of my price range, but would be worth investing in for my own piece of mind. I'm just curious if anyone has any other recommendations or can give me a review on the Chilly dog vests: Link below: http://store.coolvest.com/c-1-chillydog-cooling-vest.aspx Mavrick is a border collie and about 50lbs, I'm going to contact the maker, but it seems as though they only come in a large size (being modeled by a GSD) and a small size, so I wonder if either make would work properly for Mavrick.