Suguha has short black hair and dark grey eyes, almost blackish. Her breasts are also much larger than the rest of the female characters shown so far although the novel mentions that she has grown a lot recently. She also has a cute childish look and is often seen with an embarrassed expression, especially when around her cousin. The following is Leafa cosplay:
Sword Art Online Leafa cosplay costume comes from http://www.rolecosplay.com/sword-art-online-leafa-cosplay-costume.html Details as following: