Frameworth is proud to offer the new ADIZERO Authentic NHL jerseys personally autographed by some of the biggest stars in hockey. This jersey comes hand-signed by Frameworth exclsuive athlete Sidney Crosby. The jerseys comes with a Frameworth hologram and certificate of authenticity to ensure the legitimacy of the signature. To learn more about the new ADIZERO Authentic jerseys see below. Lighter – Featuring new cresting materials and construction technology, the ADIZERO Authentic NHL jersey reduces crest weight by up to 46%, while a single layer perforated numbering system reduces number weight by up to 60%, in order to deliver a new jersey that is up to 19% lighter when compared to the current NHL Jersey.Cooler – The ADIZERO Authentic NHL jersey features adidas Clima® technology in each of the jersey fabrics to deliver breathability and enhanced performance. Combining moisture management technology and a streamlined silhouette to maximize air flow circulation with materials that are up to 133% more permeable than fabrics currently used on ice allows athletes to be cooler. Stronger – 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 compared to the current NHL jersey.