Montbell Pants Men's Trail Action Tights - BlackThese tights have superior heat retention properties and outstanding stretchability, the perfect combination for cold weather activities. The fabric's stretchable provides for a comfortable, stress free fit. The inside of the tights have been brushed to provide superior insulation. The outer layer of the fabric has a smooth texture for easy layering, and flexibly complies even with extremely intense movements. Can be worn on its own and also layered.