Icebreaker Shifter Pants, Soft, Breathable, Moisture Wicking, New Zealand Merino Wool 98% Merino Wool/2% Elastane Imported CLASSIC JOGGER STYLE: Ideal for cold-weather running or relaxing after a chilly day, these men's pants combine the style of a classic jogger sweatpant with soft, breathable, odor-resistant merino wool jersey, with a touch of LYCRA for active stretch. 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.