Macna Hyper combi, material and safety Macna Hyper Combi is made of durable cow leather that is strategically equipped with accordion stretch to create enough freedom of movement. In addition, the cow leather is alternated with Dynamic Stretch for increased wearing comfort. The impact protection comes from Safe Tech CE (level 1) shoulder and elbow protection. For maximum protection, the Hyper combi is expandable with a CE level 2 back protector. The supplied knee sliders are removable and can be exchanged.