Natural odor control of merino with the durability and elasticity of nylon. Excels as a versatile base layer across a broad range of conditions and activity levels. SITKA MERINO CORE LIGHTWEIGHT BOTTOM The new Merino Lightweight Bottom features premium 17.5-micron merino wool spun around a nylon core, which produces a high-performance next-to-skin layer that combines the comfort, warmth, moisture management and natural odor control of merino with the durability and elasticity of nylon. With a high heat-to-weight ratio and excellent breathability, the Merino Lightweight Bottom excels as a versatile base layer across a broad range of conditions and activity levels. Merino wool is a delicate fiber and requires more attention than a synthetic garment.Wash It is safe to machine wash Merino Wool under a gentle cycle with cold water. Wash with other Merino Wool products of like colors. Do not use bleach or fabric softeners and do not dry-clean. Dry Tumble dry on low heat or lay flat to dry. MERINO WOOL WILL SHRINK if not cared for properly. Our normal hours of operation are Monday through Friday 8am 6pm CST. Dear Customer: After the Supreme Court's ruling on South Dakota vs. OpenBoxGear is committed to compliance with these new regulations. If you have any questions about this new policy, please contact the Department of Revenue office in your state. We apologize for any inconvenience. The item "SITKA Merino Core Lightweight Optifade Open Country Bottom (10055-OB)" is in sale since Friday, January 15, 2021. This item is in the category "Sporting Goods\Hunting\Clothing, Shoes & Accessories\Base Layers". The seller is "openboxgear" and is located in North Richland Hills, Texas. This item can be shipped to United States.