HyperFlex Ultim TR90 Material with Customized Stainless Steel Spring Hinges
HyperflexUltra-Light 100% UV
This frame material provides extreme strength due to its flexibility feature. With their memory characteristic, Ultim TR90 frames can easily bend at any angle without breaking and are resistant to any kind of impacts. The best feature of the Ultim TR90 sunglasses is that they are extremely lightweight because of their plastic polymer material and molecular structure. Those sunglasses weight an average of 17 grams. Exact weight depends on frame shape.