Designed for customers with larger heads, Goodr's Hellhound Hallucinations offer a comfortable and secure fit with special grip coating to eliminate slippage when sweating. These frames are snug, lightweight, and prevent bouncing for a distraction-free run. With glare-reducing, polarized lenses and UV400 protection, they block 100% of harmful UVA and UVB rays for maximum eye safety during vigorous activities.