The North Face Men's Nuptse Corduroy Mules - Military Olive/TNF BlackA material elevation of the famed Nuptse Mule in a wide, retro style corduroy, with a strong grip sole fit for outdoor excursions. Padded out with a Responsible Down Standard certified 550 fill down to insulate cold extremities throughout the seasons, with added features such as the foldable heel panel and webbed pull on loops to the heel and ankle.