Back - 3 way back protection increases fit and comfort Fit - Adjustment in the back for better fit of the shoulder and chest Shoulder - High-density foam contoured to the top of the shoulder with 2 HD foam caps Wing - 3-way design maximizes fit and protection Chest - High-density foam blocks with new triangle shape increase fit, flex and protection Ribs - High-density foam blocks in the rib area for added protection Arm - 4-way hinge fit with comfort foam pads for increased flexibility Biceps - HD foam in the forearm and biceps combined with low-density foam reduces weight by 5.7lbs Liner - New orange fabric mesh with hydrophobic propert