The Platinum two layer garment has been specifically engineered with our ColdPruf technology to trap air between the layers of fabric to provide a natural warmth shield. The Platinum offers the desired level of warmth and comfort in very cold to extremely cold weather during mid to high activity. Nature's natural warmth fiber, merino wool, blended with polyester on the outside and combined with CPT Performance Polyester on the inside, provides maximum warmth, dryness, and comfort and at the same time provides odor control. The Platinum - merino wool blend offering comfort, warmth, dryness, and odor control.