Authentic On Field New Era 59FIFTYThis cap has the Toronto Blue Jays logo embroidered on a blue crown. The MLB logo is embroidered on the back of the cap. Made of 100% Polyester.There is no difference between the New Era 59FIFTY that MLB players wear on-field and the New Era 59FIFTY that fans wear in the stands. They have got the same moisture wicking Cool Base technology, the same craftmanship and the same 70 year tradition in every stitch.