POP G Style - Angular, fashion-forward frames; Dark purple frame, purple gradient lenses; Gradient Lenses - Dark-to-light tint blocks overhead rays and increases ground visibility; Made for medium noggins - Just-right midsize sunnies; No Slip - A special grip coating to construct the frame to help eliminate slippage when sweating; No Bounce - This frame is snug and lightweight, with a comfortable fit to prevent bouncing while crushing any workout; All Polarized - Glare-reducing, polarized lenses with UV400 protection that block 100% of those harmful UVA and UVB rays