Nike MLB Dri-Fit Training Shorts - Men's Prepare for the season like the pros with the authentic training shorts of the MLB. A high-gloss, screen-printed team logo allows you to rep your team with pride while the Dri-FIT® technology keeps you cool and dry during those long spring practices. Side pockets are a perfect place to keep your seeds and these shorts have two of them. An elastic waistband and drawstring provide a secure fit while you make that diving play. 100% polyester. Imported.