The North Face Expedition Hot Cold Weather Size L Trousers, Unisex, Photonic, Protection, Black,

[High heat retention structure] The brushed fabric incorporates photoelectron technology to trap air and keep you warm. [Volume design] Special brushed fabric provides high volume and improves heat retention [Lightweight and soft material] Acrylic and wool bulky yarn for a light and soft feel [Can be worn alone] The thick fabric allows it to be worn alone as tights [Winter-friendly] Underwear perfect for cold outdoor activities