The Croakies Neoprene XL Eyeglass Retainer continue to be one of the best selling sport retainers, sold in more than 30 countries throughout the world. These retainers are made using only the highest quality neoprene and thread, with unique details such as the patented backstitching technique. Protect your favorite eyewear from be lost overboard or falling on hard surfaces, while still being able to simply remove your eyewear when needed.