This authentic Adidas ADIZERO Pittsburgh Penguins Pro Stadium Series jersey comes personally autographed by Penguins captain Sidney Crosby. This jersey features new Adidas cresting materials and construction technology. The ADIZERO Authentic NHL jersey also has the adidas Clima technology in each of the jersey fabrics to deliver breathability and enhanced performance. Built stronger and constructed for durability, the ADIZERO Authentic NHL jersey fabrics are up to 27% stronger in burst testing and up to 72% tougher in abrasion testing. This jersey is perfect for any true Sidney Crosby collector or Penguins fan. Frameworth is the exclusive memorabilia and autograph provider of Sidney Crosby. The jersey comes complete with a Frameworth hologram and Certificate of Authenticity to ensure the legitimacy of the signature. Frameworth does not guarantee jersey sizing but typically stocks sizes 52,54,56 for ideal framing. Every signed product comes fully certified with a Certificate of Authenticity.