Back from the archives. Whatever you’re up to, the XC injects it with retro 80s mountain style. They were originally launched in 1984 for Nordic skiers, with a shield shape to block out wind and snow, plus flip-up lenses to let the air in. Today, the heritage look stands out anywhere. Product Details Vision ChromaPop™ lenses enhance contrast and natural color to make the details pop Flip-up lens feature Smudge and moisture-resistant coatings for easy cleaning and clear optics Fit / Integration Medium to large fit, large coverage 4-base spherical shield lens curvature Modest wraparound fit Megol nose pads provide non-slip grip so glasses stay put Frame Evolve™ bio-based frame material is lightweight and durable AutoLock hinges hold frames open for easy one-hand on and off Goggle inspired strap compatible temple tips