Pavis tubular knee brace with patellar hole 023 Front hole with soft silicone ring, which stabilizes the patella and prevents abnormal movements. Popliteal area without elastic pressure, to ensure comfort and normal blood circulation. Two lightweight lateral rods, which offer moderate support without limiting joint mobility. Non-slip internal silicone, which keeps the knee pad in place during movement. 100% hypoallergenic cotton fabric, breathable and comfortable, ideal for prolonged use.