Bestselling aviator sunglasses for every occasion, perfect from peak to pub. Built with V52® performance lenses and premium acetate frames. Functionality at its best-looking, Howlin’ have a rounded aviator design fitted with performance optics giving the highest clarity of any performance sunglasses on the market. A detachable headstrap make these ideal for sporty pursuits from trail running to kayaking, sailing or climbing - guaranteeing your sunglasses stay-on at all times. Howlin' are proving to be the most versatile sunglasses on the market.Specs & Materials Lens features VALLON V52® lens Category 3 Polarized or Standard (Non-polarized) Anti-scratch Made from nylon (highly impact resistant) 100% UV400 protection Lens options Green tint - 16% VLT (Dark Tortoise, Sage, Black, Green) Brown tint - 17% VLT (Tortoise) Frame Premium cellulose acetate 5-barrel hinges Weight 28g (lightweight) What's included? VALLON case Microfiber cleaning cloth Sports headstrap