Hiking and trekking sunglasses -100% UV category 3 protection, VLT 16%, for all types of weather - Removable side shields - Bio-sourced frame - Unisex and universal model - No correction - Cleaning pouch with inside pocket for removable shields included in the box. The sun emits visible and invisible electromagnetic waves. The most harmful invisible rays are ultraviolet rays (UV) and are dangerous even on cloudy days: clouds absorb only 10% of them. Removable side shields The side shields increase the protection against the intense light of the mountains. They can be removed if the light level decreases.