Kayaks come in different sizes for different heights and different weights. According to your needs, you can have either a low, medium or high volume, Kayak. A high volume kayak is for a height greater than 5 ft 10 inches and a weight of more than 180 pounds, whereas a low volume kayak can support a size less than 5 ft 6 inches and a weight less than 140 pounds. So the choice is yours; the ball is in your court!