Invented in 1995 by an avid motorcyclists. Fast Company added Kevlar on the inside of jeans in the seat and knees. Their process of knitting the fibers into a terry allowed them to maximize the amount of Kevlar per square inch. They applied Sta-Cool to their Kevlar fibers, making them moisture wicking, cooler and softer to the touch. 💲I’m happy to consider reasonable offers 🌟Good condition ⚠️ Please see pics. There are two snags in the inseam. 🇺🇸 made in the USA 🫧 Freshly washed ❓please message with questions ♻️previously loved 🚭 smoke free home 🙅🏻‍♀️moth ball free home When you shop secondhand, the demand for new clothing production goes down, reducing carbon emissions, and energy and water consumption.