ColdPruf Women's Platinum Plus-Size - For My Size Only Dual Layer Crew-Neck Top Inside 100% CPT Performance Polyester/ Outside 70% Polyester, 30% Merino Wool Imported Two-layer engineering with Merino wool, traps air between layers providing a natural barrier of warmth Tagless labeling and flat seems for extra comfort Created with True plus size specs and measurements Moisture management system wicks perspiration and dries quickly Featuring ColdPruf Technical Fiber formulated with Silvadur Intelligent Freshness to minimize odor and odor causing bacteria on fabric Perfect as a base layer or on its own. Best used in very cold to extreme cold weather and medium to high activity levels