Get ready to rev up your dreams and unleash your inner monster truck fan with our incredible Monster Jam Pajama Set. Designed for both comfort and adventure, this pajama set combines softness, style, and the excitement of Monster Jam in one incredible package. The tight-fit pajamas are made of 100% Cotton. They are listed in both unisex adult and child sizes. These pajamas are meant to fit snugly to your child's body. Buy sizes accordingly.