FXR Racing - All the right tools you need to fuel your Full Throttle Addiction. Four-way stretch fabric panels intergraded with durable coated 600D chassis fabric for added flexibility and comfort. Zipper thigh vents for added ventilation. Zipper thigh pocket. Slim fit knee design provides a positive rider knee contact area. Dual-layer knee fabric with full-grain leather and abrasion-resistant inner fabric. Triple topstitching in critical areas for extra strength and durability. Tested and proven hook-and-loop adjustable waist system design. Silicone printed inner elastic waist for extra grip and security. Polyester mesh lining for breathability and comfort. Pre-curved knees. Internal key pocket. Fade-free sublimation prints. One-year warranty.