Limited Edition Pyre Pants. The Limited-Edition Pyre collection is ready to help you burn up the track and watch your competitors go down in a blaze of glory. The Flexair Pyre Pants are designed to function seamlessly with the human body. They\'re cut from lightweight and flexible materials which anticipate your every move. The main body uses our 4-way stretch Cordura® TruMotion® fabric for a balance of mobility and durability. A double layer knee system combines a full-grain leather outer knee with an abrasion-resistant inner knee, guarding against both external and internal wear and tear. The knee system is also smartly tailored for compatibility with braces and guards. To help regulate body temperature, strategically placed venting is incorporated to increase airflow. Ratchet closure provides a secure fit & quick on-the-fly adjustments Secure zip hand pockets Tapered lower leg reduces snag & drag TruMotion® all-way stretch fabric for increased mobility TruDri® fabrics move sweat away from the body to keep you dry Body-mapping laser perforated on front & back to keep you cool DWR finish sheds moisture, dirt, & debris Inseam: 31.75", size large MATERIALS 88% polyamide nylon, 12% elastane