SIZE LENGTH WIDTH
X-SMALL 25 1/2" 18"
SMALL 26 3/8" 19 1/2"
MEDIUM 27 1/2" 21 1/4"
LARGE 28 5/8" 23 1/4"
X-LARGE 29 3/4" 25 1/4"
XX-LARGE 30 7/8" 27 1/4"
XXX-LARGE 32" 29 1/2"