Always have a lens cloth handy-keep one in your car, another in the boat, RV, backpack, purse, etc. Handy micro-fiber eyeglass cleaning cloth tucks in to stay clean, pulls out for cleaning lenses. Clip attaches almost anywhere.
Costa Keeper. Soft, tailored cloth retainer with adjustable bead.
Micro-fiber Cleaning Cloth. 7"x5".
Neoprene Classic. Neoprene retainers have long been the best option in the business. Costa neoprenes slide onto frame arms and grip tight. And their wide design makes them comfortable when glasses are on, or hanging around your neck.
Costa C-Line Retainer. Ultra lightweight stainless steel retainer. Flat low profile temple attachments.
Marine-grade, soft nylon retainer designed specifically to fit Fathom and all styles, especially those with co-injected temples.