The premium Lacrosse Jersey is crafted with spandex with moisture management and anti-bacterial finish with no-pull treatment for reducing grabbing ability of fabric (5 oz.) 100% extreme motion flat knit cationic colorfast polyester with moisture management fibers. Cover seemed throughout for added durability Entire jersey is constructed with fabrics that give maximum weight reduction while keeping durability and performance at a premium Inserts start under the arm and end 2 inches from the bottom edge.