TS stands for Extraterrestrial and it pretty much explains the style. Our updated design has better fit, better looks and better coverage, more lens and frame color choices. XTS was one of our best selling models, even before these upgrades. Features: All lenses provide 99% against UV-A, UV-B and UV-C, in wavelength range 180-380 nm Dual lens construction allows excellent peripheral vision Anti-slip rubber temple tips and nose bridge for added comfort
