I recently wrote an article for Northern Wilds about how to dress for cold water kayaking on Lake Superior, where even in the summer the water almost never gets warmer than 50 degrees Fahrenheit. I interviewed American Canoe Association Coastal Kayaking Level 5 Advanced Open Water Instructor Trainer Educator Sam Crowley for the article. Sam runs Sea Kayak Specialists in Marquette, Michigan and is one of the best instructors that I’ve taken lessons from. Sam has paddled extensively on the cold waters of Lake Superior and on cold ocean waters. In 2007, he circumnavigated Ireland solo. Sam gave me so much great material that I couldn’t include in a 600-word…