Coldpruf Tall Men's Authentic Wool Plus 2 Layer Pant 92F-M-NAVY 2 Layer Engineering Traps Air Between Layers Providing A Natural Barrier of Warmth More Merino Wool For Extra Warmth INSIDE: 100% Combed Ring Spun Cotton, OUTSIDE: 50% Combed Ring Spun Cotton, 40% Merino Wool, 10% Nyl THE AUTHENTIC WOOL PLUS - NATURAL WARMTH AND COMFORT