Joe's USA Koloa Thruster Surfboard Logo Heavy Cotton T-Shirts, Regular, Big & Tall Koloa Surf 2-Sided Thruster Logo Heavy Cotton T-Shirt. Mens Heavyweight 6.1-ounce, 100% cottonT-Shirts in Regular, Big and Tall Sizes. A reliable choice for comfort, softness and durability. Heavyweight 6.1-ounce, 100% soft spun cotton. Printed with the Koloa Surf Co. Thruster Surfboard Logo on the front and back of shirt Heavyweight 6.1-ounce, 100% cotton (preshrunk) Shoulder-to-shoulder taping Coverseamed neck Double-needle hem Adult Sizes: S-6XL and Adult Tall Sizes: LT-4XLT