With one extra lens
The particular shape gives the sporty SX-21S a futuristic style. Frame and Tronic lens lie densely and draught has no chance. The SX-21S is new. Up-to-date colors with color-coordinated, mirrored lenses. Can be equipped with the included strap for snug fit at downhill, cross-country or other sports use. Super- Anti-Fog coating and interchangeable lenses included.
Tronic lens
Form-fitting shape covering the whole visual field. The Tronic lense combines perfect sun and wind protection and guarantees optimal foveal and periferal vision.