Removable Triple Flex Third Knee guard allows the leg guard to convert into a Double Flex Double Knee * Features a sleek new design. The new design features significantly less plastic which reduces weight and adds even more ventilation to a very breathable leg guard * S3 Multi-Flex Leg Guards address a chronic unprotected area - your ankles. Side protection is built right in for interior and exterior ankle protection. * S3 Multi-Flex Leg Guards feature hundreds of perforations, maximizing ventilation without sacrificing protection or performance. Hard shell vents align with padding vents to maximize airflow * New design on Gel Knee pad better cushions the patella