KAMAL OHAVA Custom Men's Reversible Tank Athletic Basketball Jersey polyester Click the "Customize Now" button to choose the name and number you would like heat applied on the back of your jersey. During customization choose from a variety of fonts and colors and you can choose to add on (for additional cost) double sided print of your name and number. These are ADULT sizes: please refer to product description for exact measurements. Jersey is A4 brand, 100% polyester mesh. Moisture-wicking, odor-resistant, and stain-release properties.