PROFLO BICEPS - Low profile protection for the BICEPS and shoulder PROFLO Shoulder Cap - Low profile impact protection for top of shoulder and clavicle EXOSKEL Sternum - Floating and ventilated chest with hard PE impact protection Spine - Molded impact protection that is ventilated for air circulation Biceps - Adjustable, vented and molded. help provide customizable BICEP protection Clavicle - Hard PE protection in this key impact area Ribs - PE slash protection that hugs the body