E-fit stretch neck construction elastic neck area for an easy fit. PE shoulder caps high quality PE shoulder caps reinforced with PE foam for added comfort and protection. Customizable bicep adjustment custom comfort fit and pro level protection. Adjustable belly pad, full length velcro adjustment and lightweight foam liner developed to be lightweight and customizable for ultimate comfort. Integrated molded PE foam spine lightweight foams for elite level comfort and protection. Floating PE sternum with D3O® smart material sternum construction that allows for great mobility and D3O® impact and shock absorption technology for elite level protection.