The altura merino short sleeve base layer naturally helps regulate body temperature when yoursquore exercising it also has high wicking properties to wick away any moisture and keep you comfortable on your travels the base layer has been designed to be worn all day long in comfort and itrsquos made from 100 merino wool renowned for its soft touch and insulation properties this short sleeve base layer has been designed to be worn against the skin and it features flatlock stitching for ad