Image 1 of 1 Big O T-Shirt from $14.00 4.5-ounce, 60/40 ring spun cotton/poly unisex fit, runs true to size. Available in Youth and Adult. Size: Select Size Youth XS Youth Small Youth Medium Youth Large Youth XL Adult Small Adult Medium Adult Large Adult XL Adult 2XL Adult 3XL Adult 4XL Add To Cart Added! 4.5-ounce, 60/40 ring spun cotton/poly unisex fit, runs true to size. Available in Youth and Adult.