New Spalding TF 250 Indoor Outdoor Basketball 29.5 All Surface Composite 29.5":Orange (see pics) Ventilation ports along Medium:Navy White Red (see pics) Ventilation ports along the front shell and knee cap accelerate airflow to keep your legs cool Hinged knee cap promotes independent movement during strides Removable liner delivers a cushioned fit that minimizes moisture accumulation Anatomical design forms to the shape of your leg for maximum comfort Adjustable upper lock and calf strap offer dual support to ensure a perfect fit Shin: Ribbed polyethylene cap Knee: Polyethylene cap Thigh: Extended foam paneling Calf: Anatomical molded foam Dri FIT moisture wicking technology Nike Flex fabric stretches with your body Lightweight construction 4 pocket Zipper fly 5" All surface composite leather cover Butyl rubber bladder for air retention Shipped inflated and game ready Designed for indoor and outdoor play Official NBA size and weight: Size 7