Soft Hit Seamed Foam Practice Baseballs (Dozen) Soft HIT practice baseballs are made of high quality polyurethane foam are designed to be used both indoors and outdoors. Theyre 9 inches in circumference and weigh approximately 1.25 ounces- about 25% more than poly balls. They have raised red laces, which permit pitchers to throw change ups and breaking balls effectively. The raised laces also allow hitters the ability to see ball rotation, providing the opportunity to recognize pitch type. Soft HIT balls are lightweight, squeeze-able, safe, durable, and cost effective.