Flexband (3-point silicone) The RealWear Flexband is purpose-built designed for Clean Rooms by RealWear. Uses can include biopharma, textile mills and other use cases requiring a cleanroom environment. The flexband is a non-shedding solution for RealWear Navigator™ 500 and HMT-1® only (not HMT-1Z1®). Product color may vary.