Helly Hansen HH Warm Running And Outdoor Pant - AW16 Lifa Fiber Technology - For super quick drying next to skin, Lifa quickly moves away moisture to keep you dry and comfortable. Merino Wool - Merino is nature's most technical, high-performance fibre. Its complex structure makes it remarkably soft against your skin, helps regulate your body temperature, and stays looking great wear after wear. Flatlock Stitching - Reduces chafing and provides a soft, comfortable feel against the skin. Allergy Neutral - Non Itch fabric. Material - 53% Merino wool - 47% Polipropilene