THE NORTH FACE Red Run Long Pants Product Number: NY81973, Domestic Genuine Product Color: Olive Worn a few times, and I don't think there are any noticeable damages. Red Run Pro Long Pants / NY81973 High-performance insulated pants that achieve both ease of movement and efficient heat retention without compromising athletic performance during running. Uses Pertex® Quantum, which excels in wind resistance and abrasion resistance, as the main material, and is filled with Thermoball Pro®, a ball-shaped synthetic insulation with improved thermal insulation by incorporating aerogel.