The few small patches that you see come sewn on, same the picture. In addition there are two larger patches that are included but not sewed on. If you want patches on your gi, use them and put them wherever you'd like or just leave them off.
A1 5'2" - 5'5" | 110-140lbs
A2 5'5" to 5'9" | 140-170lbs
A3 5'9" to 6'1" | 170-200lbs
A4 6'0" to 6'4" | 200-250lbs
A5 6'0" to 6'4" | 225-275lbs
A6 6'2" to 6'6" | 250-300lbs
http://www.bjjhq.com/