ULTEM is an amorphous thermoplastic polyetherimide (PEI) material that has extraordinary properties perfect for eyeglass frames.
Click HERE to view the lens options available.
Extremely flexible and lightweight. Most ULTEM frames are as light, or even lighter than Titanium metal.
Brand: Focal Sight RMetal
Material: Stainless Steel
Size: 47 x 20 x 140mm
What's Included: Free Anti-Radiation Lens (plano to +/-2.00 sph), Hard Case & Microfiber Lens Cloth