Simple and straight to the point, the Tempo checks all the boxes when it comes to an approved L50s vest. Made from a lightweight, breathable aircore neoprene, 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. - Eco-friendly Aircore Neoprene - Lightweight Hyper 05 foam - Lightweight and Comfortable - L50s Standards Approved