Icebreaker Merino Sphere Lightweight Short Sleeve Crew Neck Shirt, New Zealand Merino Wool VERSATILE & COMFY: The Sphere Short Sleeve Crewe is made with soft merino wool blended with natural TENCEL for strength & durability that maintains next-to-skin softness. Quick to dry, it's the optimal balance of comfort, breathability & odor resistance. FIRST LAYERS: With anti-chafe seams and LYCRA for added fit, the shirts, shorts, leggings, and more of our merino first layer collection is designed to keep you warm. Cover your men's thermal first layer with a lightweight pair of shorts or hiking pants. TOP TO TOE LAYERING: Our clothes transcend single usage; we make multi-functional pieces that adapt to your life & style, on the mountain, in the city & at home. From wool socks, boxers & bikini briefs, to trench coats, windbreakers & fleece hoodies. SIMPLICITY & LONGEVITY: We want our clothing to be relevant for years. Through high quality performance, Icebreaker's merino wool base layers, first layers, mid layers, and outer layers will thrive in your wardrobe and your activities for many seasons. PREMIUM LAYERING: Try Icebreaker's merino wool under-base, base, mid, and top layers if you've used similar products from Woolrich, SmartWool, Marmot, Columbia, Carhartt, Hatley, The North Face, Helly Hansen, Levis, Ben Sherman, Browning, or Mack Weldon.