Woolly Wolf Size Charts

Size Chart

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How to Pick the Right Size?

The measurements in our size charts are generally provided in centimeters (cm) and inches (in).

1. Chest girth Wrap the tape measure around the widest part of your dog’s chest, just behind the front legs.

2. Neck girth Measure around the base of your dog’s neck (the widest part), just above the shoulders.

Tips:

Use a soft measuring tape or a yarn and a ruler.
Ensure the tape is snug but not tight.
Compare your measurements to our size charts. ( Notice that each product uses their own size chart ).
When choosing the right harness for your dog, chest measurement plays the most important part.

Harnesses

Alpha Harness Size Chart

With Alpha 360 harness if your dog's measurements fall between two sizes, we recommend choosing the larger size.

Size	Neckline	Chest	Back Length (in product)
XS	23-33cm 9-13in	33-43cm 13-17in	11cm 4.3in
S	33-49cm 13-19in	43-56cm 17-22in	13cm 5in
M	36-54cm 14-21in	56-69cm 22-27in	14.5cm 5.7in
L	43-67cm 17-26in	69-81cm 27-32in	17cm 6.7in
XL	45-69cm 18-27in	81-107cm 32-42in	19.5cm 7.7in

Size

Neckline

Chest

Back Length

(in product)

23-33cm

9-13in

33-43cm

13-17in

11cm

4.3in

33-49cm

13-19in

43-56cm

17-22in

13cm

5in

36-54cm

14-21in

56-69cm

22-27in

14.5cm

5.7in

43-67cm

17-26in

69-81cm

27-32in

17cm

6.7in

45-69cm

18-27in

81-107cm

32-42in

19.5cm

7.7in

Soft Webbing Harness Size Chart

(Sea to Summit, Polar Night, Woodland, Nightless Night, Northern Lights, Color Block, Sunshower, Cloudbeam)

Size	Neckline	Chest	Width	Back Length (in product)
XSS	28-37cm	36-48cm	1,5cm	12,5cm
XS	31-42cm	42-56cm	2cm	13,5cm
S	34-50cm	50-66cm	2cm	15cm
M	38-60cm	56-78cm	2,5cm	17,5cm
L	42-70cm	65-93cm	2,5cm	19,5cm

Roam Harness Size Chart

Size	Neckline	Chest	Back Length (in product)
XS	23-25cm 9-10in	38-46cm 15-18in	10.5cm 4in
S	28-42cm 11-16.5in	46-56cm 18-22in	12cm 4.7in
M	36-51cm 14-20in	56-68cm 22-27in	14cm 5.5in
L	42-58cm 16.5-23in	68-82cm 27-32.5in	16cm 6in
XL	50-70cm 20-27.5in	82-106cm 32.5-42in	18cm 7in

Size

Neckline

Chest

Back Length

(in product)

23-25cm

9-10in

38-46cm

15-18in

10.5cm

4in

28-42cm

11-16.5in

46-56cm

18-22in

12cm

4.7in

36-51cm

14-20in

56-68cm

22-27in

14cm

5.5in

42-58cm

16.5-23in

68-82cm

27-32.5in

16cm

6in

50-70cm

20-27.5in

82-106cm

32.5-42in

18cm

7in

Collars

Alpha Collar Size Chart

Size	Neckline	Padding Width	Webbing Width
S	25-35cm 9.8-13.8in	4.5cm 1.8in	2cm 0.8in
M	35-45cm 13.8-17.7in	5cm 2.0in	2.5cm 1.0in
L	45-55cm 17.7-21.7in	5.5cm 2.2in	2.5cm 1.0in
XL	55-65cm 21.7-25.6in	6cm 2.4in	3cm 1.2in

Size

Neckline

Padding

Width

Webbing

Width

25-35cm

9.8-13.8in

4.5cm

1.8in

2cm

0.8in

35-45cm

13.8-17.7in

5cm

2.0in

2.5cm

1.0in

45-55cm

17.7-21.7in

5.5cm

2.2in

2.5cm

1.0in

55-65cm

21.7-25.6in

6cm

2.4in

3cm

1.2in

Soft Webbing Collar Size Chart

(Sea to Summit, Polar Night, Woodland, Nightless Night, Northern Lights, Color Block, Sunshower, Cloudbeam)

Size	Neckline	Width
XS	15-25cm 6-10in	1.5cm 0.6in
S	25-35cm 10-14in	2cm 3/4in
M	30-45cm 12-18in	2.5cm 1in
L	40-65cm 16-25in	2.5cm 1in

Size

Neckline

Width

15-25cm

6-10in

1.5cm

0.6in

25-35cm

10-14in

2cm

3/4in

30-45cm

12-18in

2.5cm

1in

40-65cm

16-25in

2.5cm

1in

Martingale Collar Size Chart

Size	Neckline	Width
S	25-35cm 10-14in	3.2cm 1.3in
M	30-43cm 12-16in	3.8cm 1.5in
L	40-59cm 16-23in	5cm 2in

Size

Neckline

Width

25-35cm

10-14in

3.2cm

1.3in

30-43cm

12-16in

3.8cm

1.5in

40-59cm

16-23in

5cm

2in

Soft Martingale Collar Size Chart (Cloudbeam & Sunshower)

Size	Neckline	Padding Width	Webbing Width
XS	20-30cm 7.9-11.8in	4cm 1.6in	1.5cm 0.6in
S	25-35cm 9.8-13.8in	5cm 2.0in	2cm 0.8in
M	35-45cm 13.8-17.7in	5.5cm 2.2in	2.5cm 1.0in
L	45-60cm 17.7-23.6in	6cm 2.4in	3cm 1.2in

Size

Neckline

Padding

Width

Webbing

Width

20-30cm

7.9-11.8in

4cm

1.6in

1.5cm

0.6in

25-35cm

9.8-13.8in

5cm

2.0in

2cm

0.8in

35-45cm

13.8-17.7in

5.5cm

2.2in

2.5cm

1.0in

45-60cm

17.7-23.6in

6cm

2.4in

3cm

1.2in

Roam Collar Size Chart

Size	Neckline	Width
XS	18-25cm 7.0-9.8in	1.5cm 0.6in
S	25-35cm 9.8-13.8in	2cm 0.8in
M	35-45cm 13.8-17.7in	2.5cm 1.0in
L	45-65cm 17.7-25.6in	3cm 1.2in

Size

Neckline

Width

18-25cm

7.0-9.8in

1.5cm

0.6in

25-35cm

9.8-13.8in

2cm

0.8in

35-45cm

13.8-17.7in

2.5cm

1.0in

45-65cm

17.7-25.6in

3cm

1.2in

Leashes

Retriever Leash

Length 160 cm

Diameter 11 mm

Multi-use Leash Thin

Width 1,2 cm

Length 170 cm to 300 cm

Multi-use Leash

Width 2cm

Length 170 cm to 300 cm

Flat Leash

Length 150 cm

Rope Leash Thin

Length 180 cm

Diameter 8 mm

Rope Leash

Length 180 cm

Diameter 10 mm

Long Rope Leash

Length 600 cm

Diameters 8 mm

Clothing

Alpha Pullover Fleece

Size	Neckline	Chest	Back Length
27	20-30 cm	32-42 cm	25-29 cm
30	25-35 cm	38-48 cm	28-32 cm
34	25-40 cm	44-54 cm	31-37 cm
40	30-45 cm	45-60 cm	36-42 cm
45	30-45 cm	49-64 cm	41-47 cm
50	35-50 cm	54-69 cm	46-54 cm
57	40-55 cm	59-74 cm	53-61 cm
65	45-60 cm	64-79 cm	60-68 cm
70	50-65 cm	69-84 cm	67-75 cm

Accessories

Hip Packs

Bag width 21cm
Bag height 14cm
Around waist at maximum 130cm

Accessory Bags

Height 14cm

Width 21cm

Hydration bags

Height 21cm

Width 15cm

Looking for breed-specific examples? See real-world sizing on our Ambassador Page. Click "Read More" on any profile to view specific measurements and the size they wear.