Whisk together rice wine vinegar, garlic, sesame oil, sugar, ginger and soy sauce in a small bowl; set aside.
TO MAKE SALAD: Place romaine lettuce in a large bowl; top with cabbage, carrots, green onion and chicken. Pour sesame vinaigrette on top of the salad and gently toss to combine.
Serve immediately, topped with chow mein noodles and almonds, if desired.