Its the top of the line developed by Major League umpire Joe West, manufactured for maximum protection! Its simple: The Platinum fits better! It conforms at your shoulders, and enhanced side pads add comfort and protection. Worn by numerous Major League Umpires. One of two protectors endorsed by Major League Baseball for use by its umpires. The other is listed above. This protector has the most armor and is the hottest selling protector for both the Minor League umpires and the collegiate ranks. U.S. Pat. No. 5.530.966; Canada Pat. No. 2.152.045; Japan Pat. No. 3.809.912