Rabbitgoo Fit Lab
Measure First. Then Choose the Harness.
Harness sizes are not standardized across brands or even across Rabbitgoo series. Measure your dog while standing, compare the chart for the exact product, and recheck the fit after your dog moves.
1. Lower neck
Measure where the harness neckline will sit—not high at the collar line.
2. Widest chest
Wrap the tape around the deepest part of the rib cage, just behind the front legs.
3. Product chart
Use the size chart on that product page. Do not select a size from weight alone.
4. Movement check
Fit about two fingers under each strap, then walk, turn and gently test backward pressure.
Choose and use your harness with confidence
Front Clip vs. Back Clip
Learn which attachment point fits training walks and everyday walking.
Why Dogs Back OutCheck fit gaps, strap position and reverse-pressure escape risk.
What No-Pull Can—and Cannot—DoUse the harness as a training tool without expecting it to replace training.
Fit for Deep-Chested DogsAccount for a deep rib cage, narrow waist and longer body proportions.
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Stay Guard SER
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ControlPro SER
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MiniFit SER
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Mega Tactical SER
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Uplift Pro SER
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Lift Assist SER
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EasyGo SER
A Better Fit Starts With Accurate Measurements
What you need: a soft measuring tape, or a ruler and a piece of string.
1. Have your dog stand naturally on a flat surface.
2. Measure the lower neck and the widest part of the chest, just behind the front legs.
3. Keep the tape snug without pressing into the coat or skin.
4. After fitting, confirm you can slide about two fingers beneath each strap.
Find the Perfect Fit for Your Dog
Use your dog's exact neck and chest-girth measurements, then compare them with the chart for this specific Rabbitgoo series.
Size Chart
If measurements fall between sizes, compare the product's adjustment ranges and your dog's body shape. Do not choose by weight alone.| Size | Chest Girth | Neck Girth | Belly Length | Back Length |
|---|---|---|---|---|
| S | 16.9''-31.5'' (43-80cm) |
16.1''-20.5'' (41-52cm) |
8.9'' (22.5cm) |
7.1'' 18cm |
| M | 20.1'' - 33.9'' (51-86cm) |
17.7-22.4'' (45-57cm) |
10.6'' (27cm) |
7.5'' 19cm |
| L | 22.0'' - 37.0'' (56-94cm) |
21.1-30.3'' (53.5-77cm) |
11.6'' (29.5cm) |
8.3'' 21cm |
| XL | 23.6'' - 41.7'' (60-106cm) |
21.7-32.3'' (55-82cm) |
12.8'' (32.5cm) |
9.1'' 23cm |
How to Put On and Adjust This Harness
A Better Fit Starts With Accurate Measurements
What you need: a soft measuring tape, or a ruler and a piece of string.
1. Have your dog stand naturally on a flat surface.
2. Measure the lower neck and the widest part of the chest, just behind the front legs.
3. Keep the tape snug without pressing into the coat or skin.
4. After fitting, confirm you can slide about two fingers beneath each strap.
Find the Perfect Fit for Your Dog
Use your dog's exact neck and chest-girth measurements, then compare them with the chart for this specific Rabbitgoo series.
Size Chart
If measurements fall between sizes, compare the product's adjustment ranges and your dog's body shape. Do not choose by weight alone.| Size | Chest Girth | Neck Girth |
|---|---|---|
| XS | 11.6'' - 18.5'' (29.5-47cm) |
10.2'' - 13.5'' (26-34.5cm) |
| S | 13'' - 23.5'' (33-59.5cm) |
13'' - 18.5'' (33-47cm) |
| M | 15'' - 27.8'' (38-70.5cm) |
16'' - 21.8'' (40.5-55.5cm) |
| L | 17'' - 33.4'' (43-85cm) |
18'' - 25.8'' (46-65.5cm) |
| XL | 21'' - 38'' (53.5-96.5cm) |
23'' - 35'' (58.5-89cm) |
How to Put On and Adjust This Harness
A Better Fit Starts With Accurate Measurements
What you need: a soft measuring tape, or a ruler and a piece of string.
1. Have your dog stand naturally on a flat surface.
2. Measure the lower neck and the widest part of the chest, just behind the front legs.
3. Keep the tape snug without pressing into the coat or skin.
4. After fitting, confirm you can slide about two fingers beneath each strap.
Find the Perfect Fit for Your Dog
Use your dog's exact neck and chest-girth measurements, then compare them with the chart for this specific Rabbitgoo series.
Size Chart
If measurements fall between sizes, compare the product's adjustment ranges and your dog's body shape. Do not choose by weight alone.| Size | Chest Girth | Neck Girth |
|---|---|---|
| XXS | 12.4'' - 14.2'' (31.5-36cm) |
8.1'' - 10.2'' (20.5-26cm) |
| XS | 13.3'' - 15.5'' (33.5-39.5cm) |
10.1'' - 11.9'' (25.5-30.5cm) |
| S | 15.1'' - 16.5'' (38.5-42cm) |
11.8'' - 12.6'' (30-32cm) |
| M | 16'' - 18.5'' (40.5-47cm) |
12.3'' - 14.6'' (31.5-37cm) |
| L | 18.2'' - 20.5'' (46.5-52cm) |
14.1'' - 16.3'' (35.5-41.5cm) |
How to Put On and Adjust This Harness
A Better Fit Starts With Accurate Measurements
What you need: a soft measuring tape, or a ruler and a piece of string.
1. Have your dog stand naturally on a flat surface.
2. Measure the lower neck and the widest part of the chest, just behind the front legs.
3. Keep the tape snug without pressing into the coat or skin.
4. After fitting, confirm you can slide about two fingers beneath each strap.
Find the Perfect Fit for Your Dog
Use your dog's exact neck and chest-girth measurements, then compare them with the chart for this specific Rabbitgoo series.
Size Chart
If measurements fall between sizes, compare the product's adjustment ranges and your dog's body shape. Do not choose by weight alone.| Size | Chest Girth | Neck Girth | Belly Length | Back Length |
|---|---|---|---|---|
| S | 18.5" - 21.7" (47 - 55.1cm) |
26.5" - 30.7" (67.5 - 78cm) |
9.8" - 13.7" (24.9 - 34.8cm) |
9.1" (23.1cm) |
| M | 21.7" - 27.6" (55.1 - 70.1cm) |
31.9" - 36.9" (81.3 - 93.7cm) |
10.2" - 16.1" (25.9 - 40.9cm) |
10.5" (26.7cm) |
| L | 27.4" - 35.6" (69.5 - 90.4cm) |
34.0" - 42.3" (86.4 - 107.5cm) |
13.3" - 17.7" (33.8 - 45cm) |
11.4" (29cm) |
| XL | 31.1" - 38.2" (79 - 97cm) |
36.6" - 46.5" (93 - 118cm) |
14.1" - 20.47" (35.8 - 52cm) |
13.3" (33.8cm) |
How to Put On and Adjust This Harness
A Better Fit Starts With Accurate Measurements
What you need: a soft measuring tape, or a ruler and a piece of string.
1. Have your dog stand naturally on a flat surface.
2. Measure the lower neck and the widest part of the chest, just behind the front legs.
3. Keep the tape snug without pressing into the coat or skin.
4. After fitting, confirm you can slide about two fingers beneath each strap.
Find the Perfect Fit for Your Dog
Use your dog's exact neck and chest-girth measurements, then compare them with the chart for this specific Rabbitgoo series.
Size Chart
If measurements fall between sizes, compare the product's adjustment ranges and your dog's body shape. Do not choose by weight alone.| Size | Chest Girth | Neck Girth | Back Length |
|---|---|---|---|
| S | 15.7" - 24.8" (40 - 63cm) |
15.3" - 19.1" (39 - 48.5cm) |
4.5" (11.4cm) |
| M | 19.3" - 30.1" (49 - 76.5cm) |
17.9" - 22.2" (45.5 - 56.5cm) |
5.1" (13cm) |
| L | 22.8" - 35.2" (58 - 89.5cm) |
20.1" - 24.6" (51 - 62.5cm) |
5.5" (14cm) |
| XL | 26" - 39.9" (66 - 101.5cm) |
23" - 29.1" (58.5 - 74cm) |
5.9" (15cm) |
How to Put On and Adjust This Harness
A Better Fit Starts With Accurate Measurements
What you need: a soft measuring tape, or a ruler and a piece of string.
1. Have your dog stand naturally on a flat surface.
2. Measure the lower neck and the widest part of the chest, just behind the front legs.
3. Keep the tape snug without pressing into the coat or skin.
4. After fitting, confirm you can slide about two fingers beneath each strap.
Find the Perfect Fit for Your Dog
Use your dog's exact neck and chest-girth measurements, then compare them with the chart for this specific Rabbitgoo series.
Size Chart
If measurements fall between sizes, compare the product's adjustment ranges and your dog's body shape. Do not choose by weight alone.| Size | Chest Girth | Neck Girth | Belly Length | Back Length |
|---|---|---|---|---|
| S | 14.2" - 17.7" (36 - 44.9cm) |
16.9" - 23.8" (43 - 60.5cm) |
14.2" - 21.1" (36 - 53.5cm) |
8.0" (20.3cm) |
| M | 16.7" - 23.4" (42.5 - 59.5cm) |
19.7" - 32.3" (50 - 82cm) |
15.9" - 30.5" (40.5 - 77.5cm) |
10.0" (25.4cm) |
| L | 17.7" - 24.6" (45 - 62.5cm) |
20.9" - 36.2" (53 - 92cm) |
16.6" - 34.8" (42.5 - 88.5cm) |
10.8" (27.4cm) |
| XL | 21.7" - 30.1" (55.1 - 76.5cm) |
26.4" - 43.3" (67.5 - 110cm) |
22.0" - 37.0" (56 - 94cm) |
12.8" (32.5cm) |
How to Put On and Adjust This Harness
A Better Fit Starts With Accurate Measurements
What you need: a soft measuring tape, or a ruler and a piece of string.
1. Have your dog stand naturally on a flat surface.
2. Measure the lower neck and the widest part of the chest, just behind the front legs.
3. Keep the tape snug without pressing into the coat or skin.
4. After fitting, confirm you can slide about two fingers beneath each strap.
Find the Perfect Fit for Your Dog
Use your dog's exact neck and chest-girth measurements, then compare them with the chart for this specific Rabbitgoo series.
Size Chart
If measurements fall between sizes, compare the product's adjustment ranges and your dog's body shape. Do not choose by weight alone.| Size | Chest Girth | Neck Girth |
|---|---|---|
| S | 18" - 26" (45.5 - 66cm) |
16.5" - 21.5" (42 - 54.5cm) |
| M | 24" - 30" (61 - 76cm) |
19.5" - 24" (49.5 - 61cm) |
| L | 26.5" - 34" (67.5 - 86.5cm) |
22.5" - 28" (57 - 71cm) |
| XL | 32" - 44" (81.5 - 112cm) |
27" - 35.5" (68.5 - 90cm) |
How to Put On and Adjust This Harness
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