Titanium alloy memory center beam and memory temples, memory materials are not easy to deform, strong folding resistance, light weight, corrosion resistance, etc., spring hinge memory temples can be infinitely extended without pressure on the head, suitable for various head shapes, classic Generous, firm welding, finely polished, equipped with plate foot cover, breathable, non-slip nose pads, soft, no pressure on the bridge of the nose, not easy to be corroded by sweat, impact resistance, high-definition thickened polarized lenses, anti-UVA and UVB, clearer vision, travel Suitable for driving and fishing. Unisex fits all face shapes