New Era 59 FIFTY Authentic Collection BOSTON RED SOX On-Field (Size 7 3/8) Cap in Excellent Condition. SEE More BOSTON RED SOX - BASEBALL and Other SPORTS MEMORABILIA in My EBAY STORE. Click on EBAY STORES Logo after my USER ID to see my OTHER SPORTS MEMORABILIA AUCTIONS Specializing in BOSTON SPORTS sorted by Sport Categories!