SIZE LENGTH WIDTH
SMALL 26 3/5" 17 1/2"
MEDIUM 28" 19 1/2"
LARGE 29 2/5" 21 1/4"
X-LARGE 30 3/4" 23"
XX-LARGE 31 3/5" 25"
XXX-LARGE 32 1/2" 27"
XXXX-LARGE 33 1/2" 29"