Mountain Warehouse Summit Mens Merino T-Shirt - Warm Winter Tee Merino Wool  Extra warm high quality wool with natural antibacterial properties High Wicking - Actively wicks moisture away from the skin, keeping you dry and comfortable Breathable - Highly ventilating to let moisture out, ensuring you stay dry on the inside Naturally Antibacterial - Fibres of this fabric have natural antibacterial properties, keeping your top fresh Lightweight - This thermal top is easy to wear