SIZING NOTE: Product runs small. Recommend sizing up one size. LAUNCH D30 ELBOW GUARD: The Launch D3O Elbow Guards offer an excellent combination of impact absorbing protection with a value-focused build. D30: The CE certified D3O insert works seamlessly with the slip-on design to provide all-day comfort and confidence. NONSLIP: Slip-on fit with hook and loop adjuster, Snug fit, refer to size chart and order size up. STAY DRY AND COOL: The moisture-wicking, open mesh design improves airflow and helps to reduce overheating hot rides.