Poc know sunglassesfeaturing a retro style with a modern twist the poc know sunglasses have a distinctive look and advanced performance featuring a durable grilamid frame that is lightweight and flexible theyre suitable for both casual use and almost any sport type clear vision and easy cleaningthe hydrophilic rubber around the nose bridge stays grippy even when its wet or as you start to perspire this prevents them moving or slipping so youre not distracted from the task at hand the ca