A casual long sleeve t shirt in lightweight fast wicking dry flite fabric the endura cairn long sleeve t shirt is a very versatile piece excellent value too based in scotland and never too far from a hill or two nor are there long waits for testing conditions scotland is natures climatic testing chamber so it never takes endura too long to figure out what works and what doesnt as the big yin once pointed out if you dont like the weather in scotland just wait 15 minutes end