Slack Tide is a sporty small to medium fit wrap frame with great coverage to block out polarized glare. Temples on the Slack Tide come with a cut out for complete customization for lanyard of your choice. Lightweight frame for all day comfort. Available in a variety of lens color options. AcuTint lens coloring system adds color contrast without distorting natural colors, allowing you to see more clearly. 100% Protection from Harmful UVA and UVB Rays. Scratch resistant, lightweight, and durable. Polarized lenses eliminate glare and reduce eye fatigue.