













Astral Sphere Photochromic UTMB
★★★★★UTMB limited edition spherical lens trail running sunglasses for wide, distortion-free vision. ImpactX Photochromic lens adapts automatically to any light condition.
ImpactX
Photochromic
- Photochomic Adaptability
- Unbreakable
- Exceptional Optical Clarity
- Lightweight and Durable
MATCH & SAVE
Buy any helmet + eyewear, get 15% off at checkout
The Astral Sphere UTMB is a limited edition co-developed with UTMB — the world's most iconic ultra-trail race. Built on the same spherical lens platform as the Astral Sphere, it is designed for athletes who push the limits of trail running in the most demanding mountain conditions. The ImpactX Photochromic lens transitions automatically as conditions change — ideal for mountain sport, trail running and road rides where light shifts constantly.
| Gender fit | Mens, Womens |
|---|---|
| Face size | Medium |
| Temple | 130 mm |
| Height | 58 mm |
| Width | 143 mm |
| Weight | 28 g |
Choose options














Lens type
ImpactX Photochromic Red automatically adjusts from a light to a darker tint according to UV exposure, maintaining clear vision as conditions change. Its warm red base enhances contrast and depth perception, helping reveal terrain details across roads and trails. Made from impact-resistant ImpactX material, it is ideal for trail running, mountain biking, gravel cycling and outdoor activities that alternate between shade, cloud and sunlight.
Technology & Features
Engineered details that make the difference.



