KGB Tempo Vest Description: Simple and straight to the point, the Tempo checks all the boxes when it comes to an approved L50s vest. Made from lightweight, breathable airprene, the Tempo is a comfortable and flexible vest that dries quickly when you are out of the water. Its everything you need to make the most of your day out on the lake. Features: Eco-friendly Airprene Lightweight Foam Flexible and Comfortable L50s Standards Approved Sizing: