A GOOD LONG SLEEVE t-shirt is like beer—there are plenty of ... making it great to rock on colder days underneath several layers, but it might be too much when temperatures begin to warm up.

With the right long sleeve workout shirt, however, those bulky layers won't be necessary. The long-sleeve workout shirt is a controversial clothing item: You either love it or you hate it.

The Racer 2 base layer is another strong and sensibly priced piece of kit from Decathlon's in-house brand Van Rysel ...