There are two considerations in choosing how to dress for this course. First of all, our shop is in industrial building, and it gets cool in the winter time. Dress with a warm layer, and for sure put on some warm socks, we typically keep the temperature floating around 18-20 C. In the fall and spring when the weather is still nice (15+C) we often keep the Huge garage door open. Secondly, this is a shop course and you'll be handling grease, oil, cutting fluid and so on. While our shop bikes have never been ridden, and have never been outside in the mud and dirt, it's still a shop environment. Be prepared to deal with the usual shop dirt and stains.