Smith Optics Challis ChromaPop Polarized Men's Sunglasses-Matte Black - Polarized Blue Mirror Exclude Spiral bound for ease-of-use

Spiral bound for ease-of-use

Community training insights from peer groups in Suunto MovescountÂ(coming)

It is made of lightweight aluminum alloy material with a compact uni-body structure

USB charging cable (K1-D5) and one spare o-ring

320 lumens of maximum output

Smith Optics Challis ChromaPop Polarized Men's Sunglasses-Matte Black - Polarized Blue Mirror Exclude Spiral bound for ease-of-useMatching the sweeping profile and sport influenced wrap of its larger counterpart, the Colson, the Challis is perfect for those seeking a tighter fit and a slightly smaller lens profile. This 8 base wrap utilizes our premium ChromaPop and Techlite glass lens technologies for unparalleled optical clarity. Integrating premium spring hinges into the thin, flexible temples, this piece is perfect to accompany you down the road less traveled. Product