For those looking for toughness, extreme flexibility, luxury and a long-lasting piece of eyewear, then there could be no any better option than the modern TR Plastic non alergic material Sunglasses. These sunglasses ranks on the top when we are looking for comfort and durability at the same time.
It is the latest modernization in the eyewear commerce by the Swiss Technology who made use of thermoplastic substance in these frames that provides extreme strength due to its flexibility feature.