Lacrosse referee package. Others offer warp knit polyester. We offer choices. Smitty Apparel's Elite interlock premium fabric or the Ultra-Mesh closed cell mesh fabric. U.S. Lacrosse Official patch sewn on the left sleeve. Smitty Apparel NCAA game card. Choose either a gold or black ball center flag. Black with white piping wool or mesh cap in S/M or L/X. We give you a choice of finger whistles. Gold border US Flag embroidered above the pocket.