Wider frames and bigger lenses for larger noggins. Made for Bigger Noggins Wider Fit for Larger Heads. Mirrored Reflective Lenses Mirrored lenses reduce glare, hide your eyes, and come in vibrant colors No Slip We use a special grip coating to construct our frame to help eliminate slippage when sweating. No Bounce Our frame is snug and lightweight, with a comfortable fit to prevent bouncing while crushing any workout. All Polarized We use glare-reducing, polarized lenses with UV400 protection that block 100% of those harmful UVA and UVB rays. All Melon Head Larger frame built specifically for those with magnum-sized noggins.