Medium (Jnr)

Large (Jnr)

X Large (Jnr)

XX Small

X Small

Small

Medium

Large

X Large

XX Large

22 inch

28 - 30 inch

29.5 - 30.5 inch

29.6 inch

30 inch

30.4 inch

30.8 inch

31 inch

31 - 33 inch

31.2 inch

32 inch

32 - 34 inch

32 1/2 inch

32.5 - 34.5 inch

33 inch

34 inch

34 - 35 inch

34 - 36 inch

34.5 - 36.5 inch

35 inch

35 - 37 inch

35 - 38 inch

35 3/4 inch

36 inch

36 - 37 inch

36 - 38 inch

36.5 - 38.5 inch

37 inch

37 - 39 inch

37 - 40 inch

37 - 42 inch

38 inch

38 - 40 inch

38.5 - 40 inch

38.5 - 40.5 inch

39 - 40 inch

39.5 - 41.5 inch

40 inch

40 - 42 inch

40.5 - 42.5 inch

41 - 43 inch

41 - 42 inch

41 - 46 inch

42 inch

42 - 44 inch

42 - 45 inch

42.5 inch

42.5 - 44.5 inch

43 inch

43 - 44 inch

43.5 inch

44 inch

44 - 46 inch

44.5 - 46.5 inch

45 - 47 inch

46 inch

46 - 48 inch

46.5 inch

47 - 49 inch

48 - 50 inch

50 - 52 inch

UK 6 Reg

UK 8 Reg

UK 10 Reg

UK 12 Reg

UK 14 Reg

UK 16 Reg

UK 18 Reg

US 0

US 0 - 2

US 1

US 2

US 4

US 4 - 6

US 6

US 8

US 8 - 10

US 10

US 12

US 12 - 14

US 14

21 inch

21.8 inch

22.5-23.5 inch

22.8 inch

24 inch

24-26 inch

25.2 inch

25.5 inch

26-28 inch

26.25 inch

26.5-28.5 inch

27 inch

28.25 inch

29 inch

29-31 inch

29.5-30.5 inch

30-32 inch

30.25 inch

31 inch

31-33 inch

32-33.5 inch

33 inch

33.5-35.5 inch

34-36 inch

35 inch

38 inch

38-40 inch

37 cm

38 cm

40 cm

41 cm

41.5 cm

43 cm

44 cm

44.5 cm

46 cm

Collar 14 - 15 inch

Collar 15 - 16 inch

Collar 15.6 inch

Collar 16 - 17 inch

Collar 16.2 inch

Collar 16.8 inch

Collar 17 - 18 inch

Collar 17.4 inch

Collar 17.9 inch

Age 1

Age 2

Age 3

Age 6

Age 7-8

Age 9-10

Age 11-12

Age 13-14

Age 14

Age 15-16

Age 16

18.5 inch

20 inch

21.5 inch

23 inch

24.5 inch

61 - 64 inch

64 - 67 inch

67 - 69 inch