Length Width Thickness Volume
6’6 20 1/2 2 11/16 39.3L
6'8 20 3/4 2 3/4 41.8L
6'10 21 2 3/4 43.3L
7'0 21 1/4 2 7/8 47.6L
7'2 21 1/2 2 7/8 48.7L
7'4 21 3/4 2 7/8 50.4L
7'6 22 3 54.4L
7'8 22 1/4 3 56.2L
7'10 22 1/2 3 58.1L
8'0 22 3/4 3 1/8 62.5L