Perfect for easy hikes and walks, or just everyday wear, the Macpac Mens Lyell 180 Short Sleeve Tee is the ultimate choice in base layers. This shirt is super comfy and soft, made with Merino wool for warmth and lightness, plus a touch of elastane for stretchiness. Its naturally temperature regulating and odour-resistant to keep you feeling comfortable while youre out exploring in the great outdoors. Grown on the backs of merino sheep, merino wool is a naturally renewable and biodegradable fibre - a win for you and the environment!