Review on Costa Del Mar Gripper Cord by Boss Spangler

Nothing is perfect and these retainers are the epitome of it. First, they are too long. I had to remove at least 7 inches and reattach to the snap swivels for them to work. Speaking of screw caps, as long as they lie flat against your head, you'll be fine and won't pull or irritate. All in all, they keep my Costa Cape sunglasses secure while I work and aren't overly bulky.