Merino Wool Long Sleeve Thermal TopMerino wool is nature's miracle fibre, providing us with unique properties of warmth and comfort that only nature herself could come up with. At Sherpa we use only the very best, super fine Australian Merino wool, assuring your warmth and comfort. Sherpa's Merino Thermals are the ideal base layer. Worn snugly and close to the skin they keep you warm, dry, comfortable and performing at your best. During periods of physical activity nothing wicks