Japanese A4 Waygu Sirloin Yakiniku (Frozen, 150g)Sirloin is located at the rear end of the cows loin, near the tail. As this area sees little muscle movement, it tends to have rich fat content. High grade Wagyu from this cut showcases beautiful marbling. Its tender texture and the sweet, savory flavor released from the melted fat during cooking make it one of the most popular and sought after cuts.