The Men's Tech Lite Icebreaker Original Crewe Shirt is one of the first crews to come from Icebreaker. Its long-lasting durability has been labeled a staple in Icebreaker's collection of technical apparel. This shirt is mostly made of merino wool for excelled thermal regulation fit for comfort in a wide variety of climates, and anti-odor is a natural attribute of merino wool to keep comfier on long backpacking trips.