Satoshi Smiles: Cooling Performance Tank TopProof of work, proof of style. The Satoshi Smiles: Cooling Performance Tank Top is built for the gym, the street, or anywhere in between. A cotton poly blend at 7. 7 oz yd (260g m) gives it more substance than a typical performance tank breathable enough to move in, substantial enough to wear out. Loose fit, round neck, sleeveless. The Satoshi Smiles graphic in yellow on Light Gray does the talking. Unisex sizing. Available in Light Gray Yellow, sizes