X-Small: neck 9.5-10.5",chest 12.5-13.5",back 7.5-8.5"
Small: neck 10.5-11.5",chest 15-16",back 9.5-10.5"
Med: neck 11.5-13", chest 17-18",back 11-12"
Lg: neck 13-14.5",chest 19-21",back 13-14"
Shipping is $5.95