Weasel style (3671DM) semi-rimless 10 base curve wrap around. The result is visual acuity, contrast, and color that are unrivaled. It blocks 100% of harmful UVA and UVB rays. It also has Anti-Reflective coating which is a violet-colored coating on the back of a lens that prevents sunlight from coming in from behind and reflecting off the back of the lens into the eyes.