Design Short sleeve, button front jersey with authentic decoration and trim Stretch mesh gussets under arms for enhanced range of motion Standard fit Style and Team Spirit Heated Seal Twill team logo on front and player name and number on back Nike® swoosh logo on right upper chest Official MLB® batter man logo on back Technology Cool Base™ performance technology with interlocking moisture-wicking fabric allows a lightweight, breathable feel On-Field technology worn by players Additional Details Official MLB® Authentic Collection fanwear Officially licensed product