Atama New Light Kimono - Black Size 5' 3" - 5' 6" 110 - 145 lbs. A1 5' 6" - 5' 9" 140 - 175 lbs. A2 5' 9" - 6' 1" 175 - 210 lbs. A3 6' 2" - 6' 5" 210 - 255 lbs. A4 6' 0" - 6' 6" 255 - 305 lbs. A5 6' 4" and up over 305lbs. A6