Collar & Onesie Sizing Charts

Sizing Charts

Collar Sizing Chart

Using a sewing tape measure or a string and ruler, take the measurement of your dog's neck circumference in inches.

Collar Size Min. Length (in) Max. Length (in)
XXS 5.5 8
XS 7 11
S 10 15
M 13 18
L 16 22
XL 19 29

Leather Collar Sizing

Using a sewing tape measure or a string and ruler, take the measurement of your dog's exact neck circumference in inches.

Collar to be custom made to your dog's neck size, at the centre hole.

Atomic Dog Leather Collars:

  • Belt-style buckles with five holes for adjustable sizing
  • Each hole is ¾” apart
  • Collar size is based on distance from fold to centre hole

Example: A 16" collar is adjustable to fit 14.5" – 17.5"

Onesie & Pullover Sizing Chart

L = Long Body, B = Thick Body (Bully Breeds)

The neck and chest do stretch, anywhere from 1/2" to 4" depending on the size. Minor modifications can be made to better fit your dog at no extra charge.

Size Back Length (in) Chest Circumference (in) Neck Circumference (in)
1 8 10.5 8
1L TBD TBD TBD
2 9.5 12 9
2L TBD TBD TBD
3 10.25 14 10
3L 13.5 14 10
4 TBD TBD TBD
4L TBD TBD TBD
5 12.5 18 12
5L 15.5 18 12
6 14 20 12
6L 17.5 20 12
7 16 22 14
7L TBD TBD TBD
8 17 24 14.5
8L 20.5 24 14.5
9 20 26 14.5
9L TBD TBD TBD
10 22 31 17.5
10L TBD TBD TBD
11 24 31 18
11L TBD TBD TBD
12 28 35 22
12L TBD TBD TBD