Question about ALPINA SPORTS Nylos HR

You won't find replacement lenses for glasses in this price range. Only the Tri-Effect from Alpina has interchangeable lenses:
Alpina Tri-Effect 2.0 (Black Matt, Clear, Black Mirror, Orange Mirror)

Alternatively, an inexpensive pair of untinted glasses like:
Alpina Draff Glasses (Black Matt, Clear)
or:
Alpina Twist Four S VL+