Spalding 88351PRT In-Ground 44″ Polycarbonate Basketball System for $119.99. Shipping is $5.00 for a total of $124.99 shipped. Here is a screenshot for your reference. The basketball system is made of polycarbonate, and has slam jam rim and an adjustable height from 7.5 feet to the standard 10 feet. Most places have it for over $185.