Boiler Room Core T-Shirt in Cream. - size S (also in XL/1X) Boiler Room Core T-Shirt in Cream. - size S (also in XL/1X) 100% cotton. Made in China. Machine wash. Front and back screenprint graphics. Jersey fabric with ribbed neckline. BOIR-MS2. SS24SS01BNE. Shop the latest in fashion from Boiler Room