Fly Racing’s HDM (High Density Memory) protectors are made of a special blend viscoelastic foam with memory function allowing for repeat impacts. The pads are both soft, lightweight and low profile to ensure they stay comfortable even on long days pedaling in the saddle. The protective pads feature an array of breathe holes to help flow cooler air into and through the pads 4 way stretch mesh panels at the rear help in giving a great fit and allowing hot air to escape keeping the pad feeling cooler. Extended upper cuffs help to try and stop the pads slipping down during use Hidden stitching of the protector to the fabrics protects it from fraying and being caught and torn in a crash adding to the durability. Internal silicon gripper bands are used at the upper and lower opening of the pads to also try and stop the pads slipping down during use. Fly Racing - Lite Knee Guards Fly Racing started out making motorcycle parts and helmets nearly two decades ago. Since then, they have become one of the most recognizable names in racewear. The company has grown quickly, and now distributes their products to over forty countries worldwide. Fly racing makes protective gear and racewear for motocross, street, snow, and BMX. Additionally, Fly racing is gaining notoriety for their high performance mountain bike gear. Their brand new 2017 line of mountain bike protective gear is loaded with great gear products built to protect rides so they can push their limits. The Fly Racing Lite Knee Guards are some of most protective mountain bike knee pads out there, thanks to its many great features. The knee guards offer protection in the form of High Density memory Foam. This material does an excellent job at providing protection to repeated impacts. Despite the substantial protection that the foam provides, it is extremely lightweight and low profile so it won’t affect the riders’ performance on the bike. The mountain bike knee pads are very comfortable to wear. They are made of a four way stretch mesh material to facilitate airflow, but allows the rider to remain flexible. There are special ventilation holes to increase ventilation as well. On the inside of the knee guards are silicone gripper bands. These provide a slip resistant surface so they don’t up and down the riders' leg and become a distraction or hindrance. Brand Fly Racing SKU 100340065_NP-1020622147 Model Lite Knee