8 (fits length 8", neck girth 10" - 11", chest girth 13" - 14.5")
10 (fits length 10", neck girth 12" - 13.5", chest girth 17" - 19")
12 (fits length 12", neck girth 14" - 15.5", chest girth 19" - 22")
14 (fits length 14", neck girth 16" - 17.5", chest girth 21" - 25")
16 (fits length 16", neck girth 18" - 20", chest girth 23" - 27")
18 (fits length 18", neck girth 19.5" - 22", chest girth 26" - 30")
21 (fits length 21", neck girth 22" - 24", chest girth 30" - 34")
24 (fits length 24", neck girth 26" - 29", chest girth 32" - 37")
26 (fits length 26", neck girth 31" - 34", chest girth 34" - 38")
28 (fits length 28", neck girth 33" - 36", chest girth 37" - 41")
