Completely polarised polycarbonate lenses to reduce glare by reflected light TR90 is a thermoplastic developed in Switzerland that is extremely durable, flexible and lightweight. Polycarbonate lenses are robust, break-resistant and offer excellent UV protection. Polarizing lenses are particularly advantageous for sports and leisure activities. They absorb dazzling light reflections, enhance contrasts and improve colour perception. Red Bull branding. Product Code: