The S7 Axis CC chest protector combines all the great features as the CP40PRO, but is equipped with the construction needed to pass the NOCSAE chest protector standard . Youll still love the wedged abs for blocking, internal and moldable PE protective placts for protection and fit, and the same outer profile. This chest protector will feel just like the classic with a few major improvements Diamond vents line the back for even more weight reduction and breathability Stainless steel matte black hardware Thinner and more form fitting DeltaFlex harness Improved break points which present a flatter surface for blocking and improving control.