The Picasso Master Speed fin blades are made of a soft Tecnopolymer. Reactive, progressive and very comfortable, are ideal for long surface swims or stream spots. Equipped with SPEED foot pockets, are designed for beginners and all the softer footpocket fans.Blades can be replaced and upgraded at a later point with fiberglass or carbon blades.This pachage consists of the Picasso NEW Speed footpockets with Picasso Grey Blades!