Smith Guide's Choice XL Sunglasses Eyes on the Prize Chroma Pop lens technology is the headline here. It delivers enhanced color, clarity, and definition so trail features read faster and your eyes work less. The aggressive 8-base frame geometry wraps tightly around the face for serious sun protection, blocking peripheral light that flat-wrap frames let in. Nose and temple pads and spring hinges keep the frame locked in place when you're heads-down and sweating. The XL version delivers all the same features as the Guide's Choice sunnies in an extra-large fit that accommodates wider faces without sacrificing the wraparound coverage that makes this frame worth carrying on the bike. Features Chroma Pop Polarized Lenses cut glare and enhance contrast and natural color so trail texture and surface detail stay sharp throughout the ride Chroma Pop Glass Polarized Option adds high scratch resistance on top of the same polarization and color-enhancement performance, worth the upgrade if your shades see regular abuse8-Base Frame Curvature wraps aggressively around the face, blocking stray light from the sides and reducing eye fatigue on long days in full sun Megol Nose and Temple Pads with Spring Hinges grip more as you sweat and self-adjust to your face, keeping the frame secure without pressure points Integrated Leash tethers the frame so an unexpected dismount does not send your optics into the water or down a hillside | Smith | Guide's Choice Xl Sunglasses Men's | Size Extra Large In Matte Black/chromapop Glass Polarized Blue Mirror