Alpinestars GP Tech Replacement Knee Sliders - Red/White Optimized for track use and features an anatomical design for optimal contact, even-wear distribution, and lighter weight The slim profile hook and loop patch with strategically positioned v-cuts enables a more precise placement on the knee while also preventing material bunching, enhancing aerodynamic performance even further Key Features Constructed from an ultra durable fiber reinforced polymer for exceptional levels of feel when fully lent over This formulation delivers superior levels of durability while also being lightweight The wear limit design features inner surface which acts as an early warning system; when exposed, this indicates that the slider will need replacing Construction Standard fitment on selected Alpinestars leather suits Strong hook and loop contacts ensure secure and personalized fitment