Joe Rocket: Developed for and proven in the most extreme conditions possible. This is ROCKET! Cooling Free Air™ mesh outer shell. Two-stage adjustable knee armor height. C.E. approved knee and hip armor. Heavy-duty YKK® zippers on the lower legs and main front fly. Side seam lower leg zipper. Sure Fit™ adjustable waist. 4-Way Stretch Rock Flex 600 above knees and inseam for increased mobility. Adjustable back leg elastic to customize the fit and secure knee armor. Two cargo pockets, two back zip pocket. Melt-resistant material on lower leg area. 8" zipper for jacket attachment. Reflective logos and stripes.